A jewelry craftsman needs 100 grams of gold alloy containing 75% pure gold for his products. Only two alloys of gold are available from Davao supplier, the first 80% pure gold and the other 60% pure gold. How many grams of each gold alloy must he buy to suit his requirements?

Q: A storage tank contains 120 liters of fuel which is 3% oil (and 97% gasoline). How many liters of…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: A wine company needs to blend a California wine with a 5% alcohol content and a French wine with a…

A:

Q: A high-protein diet supplement that costs $6.75 per pound is mixed with avitamin supplement that…

A: Let x lb of high-protein diet supplement and (5-x) lb of vitamin supplement were mixed.  The…

Q: A lumber company combined oak wood chips that cost S3.10 per pound with pine wood chips that cost…

A: Let x lb of oak wood chips and (80-x) lb of pine wood chips.   1 lb oak wood chips cost = $3.10 x lb…

Q: A carpet manufacturer blends two fibers, one 20% wool and the second 50% wool. How many pounds of…

A:

Q: A biologist has two brine solutions, one containing 5% salt and another containing 20% salt. How…

A: We can solve the problem by equating both side according to the given criteria.

Q: Frank ordered 3 times as many boxes of birthday cards as anniversary cards for his card shop.…

A: Consider the number of boxes of birthday card is "3x". Consider the number of boxes of anniversary…

Q: To make low-fat cottage cheese, milk containing 5% butterfat is mixed with 18 gallons of milk…

A: Given information:

Q: A chemical company makes two brands of antifreeze. The first brand is 35% pure antifreeze, and the…

A: Given A chemical company makes two brand of antifreeze The first brand is 35% pure antifreeze, and…

Q: The Arctic Juice Company makes three juice blends: PineOrange, using 2 quarts of pineapple juice and…

A:

Q: A dairy farmer wants to mix a 40% protein supplement and a standard 20% protein ration to make 1000…

A: This question can be solved using the concept of system of linear equation.

Q: A farmer has two types of field one has 5% digestible protein and the other 15% digestible protein…

A: We will form algebraic expression to solve this with the help of given conditions.

Q: Luke was helping the cafeteria workers pick up lunch trays, but he could only carry six at a time.…

A: We have to find that how many trips he will make.

Q: A mixture of 12% disinfectant solution is to be made from 10% and 20% disinfectant solutions. How…

A: Given:A mixture of 12% disinfectant solution is to be made from 10% and 20% disinfectant solutions.…

Q: A 20 LITER MILK CONTAINS 2%BUTTERFAT HOW MANY LITERS OF BUTTERFAT BE ADDED TO PRODUCE A MIXTURE…

A: 2% of 20 lts = 2100x20                      = 4/10                      = 0.4 lts

Q: A candy distributor needs to mix a 40% fat-content chocolate with a 60% fat-content chocolate to…

A: Given: Two types of chocolates one with 40% fat content and the other one with 60% fat content…

Q: A chemist needs to make 2 liters of a 15% acid solution from a 10% acid solution and a 35% acid…

A: Volume of 15% acid solution=2 liters

Q: A jeweler needs to mix an alloy with a 16% gold content and an alloy with a 28% gold content to…

A: Consider a and b as the amount of an alloy with 16% gold content and 28% gold content, respectively.…

Q: A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the…

A:

Q: A farmer has two types of milk, one that is 24% butterfat and another which is 18% butterfat. How…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is 60% pure antifreeze, and the…

A: Let x gallons of first brand and (150-x) gallons of second brand be used  to obtain 150 gallons of a…

Q: A sporting goods store sells right-handed and left-handed baseball gloves. In one month, 12 gloves…

A: A sporting good store sells right-handed and left-handed baseball gloves. In one month, 12 gloves…

Q: To fill an order for 150 office desks, a furniture distributor must ship the desks from two…

A:

Q: A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze and the…

A: Let X= amount of 20% pure antifreeze needed       Y= amount of 85% pure antifreeze needed…

Q: A restaurant manager wants to purchase 200 sets of dishes. One design costs $25 per set, while…

A:

Q: A merchant wishes to mix peanuts costing $1.85 per pound with raisins costing $1.30 per pound to…

A: Let assume total amount of of peanut = x And total amount of raisins = y Given that  merchant wishes…

Q: A chemist wants to make 50ML of 16% acid solution by mixing a 13% acid solution and an 18% acid…

A: Let x be the   millilitre of 13% solution And y be the millilitre of 18% solution Chemist wants to…

Q: A grocer mixes two kinds of nuts that cost $3.88 per pound and $4.88 per pound, to make 100 pounds…

A:

Q: The manager of a gardening center needs to mix a plant food that is 13% nitrogen with one that is…

A:

Q: A pharmacist has two vitamin supplement powders. The first powder is 20% vitamin b1 and 30% vitamin…

A:

Q: A chemical company makes two brands of antifreeze. The first is 45% pure antifreeze and the second…

A:

Q: To make low-fat cottage cheese, milk containing 4% butterfat is mixed with 16 gallons of milk…

A: Let x gallons of the fattier milk should be used.

Q: She uses 13 of her supply of sunflower seeds to make a salted snack mix and 29 of her supply to make…

A: 13 and 29 on the question doesn't make any sense, it might be 1/3 and 2/9. Cicile uses 1/3 of her…

Q: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 45 quarts…

A:

Q: Rosa has 1/3 pound of blueberries, 1/4 pound of strawberries, and 1/2 pound of raspberries. If she…

A: Given: Rosa has 13 pound of blueberries, 14 pound of strawberries and 12 pound of raspberries For…

Q: A chemical company makes two brands of antifreeze the first brand is 60% pure antifreeze and the…

A: Let us call x = the amount of 60% pure antifreeze  Then, 30 - x = amount of 85% antifreeze  All…

Q: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 60 quarts…

A:

Q: A coffee merchant combines coffee costing $6.50 per pound with coffee costing $4.00 per pound. How…

A: According to the given information:Let, x be the pounds of $6.50 coffee and y be the pounds of $4.00…

Q: The Coffee Counter charges $7 per pound for Kenyan French Roast coffee and 6$ per pound for Sumatran…

A:

Q: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per ounce.…

A: Given: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per…

Q: To make low-fat cottage cheese, milk containing 4% butterfat is mixed with milk containing 1%…

A: To find the number of gallons of each milk must be used.

Q: A chemist needs to mix an 18% acid solution with a 45% acid solution to obtain 12 liters of a 36%…

A: Consider x is the amount of 18% solution, that is 18% of x =18100×x=0.18x So according to the…

Q: A salesman sold twice as many pears in the afternoon than in the morning. If he sold 350 kg of pears…

A: Consider x is the kg the person sold in the morning. Thus, in the afternoon , the person sold 2x kg.…

Q: A brand of coffee beans cost 150 pesos per kilo, while the premium coffee beans cost 675 pesos per…

A: mixtures

Q: A coffee company wants a new flavor of Cajun coffee. How many pounds of coffee worth $7 a pound…

A: Assume x = lbs. of coffee at $7 per lb.   Now let's write an equation the cost of mixing the $7 per…

Q: A coffee company wants a new flavor of Cajun coffee . How many pounds of coffee worth $7 a pound…

A:

Q: A pharmacist has two vitamin-supplement powders. The first powder is 20% vitamin B1 and 30% vitamin…

A: Given,First powder: 20% vitamin B1 and 30% vitamin B2.Second powder: 15% vitamin B1 and 10% vitamin…

Q: To make low-fat cottage cheese, milk containing 4% butterfat is mixed with milk containing 1%…

A:

Q: A farmer has some cream which is 21% butterfat and some which is 15%butter fat. How many gallons of…

A:

Q: A truck carries a load of 93 boxes; some weigh 35 kg and the rest weigh 45 kg.If the total weight of…

A: