The purity of gold is measured in karats, with pure gold being 24 karats. Other purities of gold are expressed as proportional parts of pure gold. Thus, 18-karat gold is 18/24 , or 75% pure gold; 12-karat gold is 12/24 , or 50%pure gold; and so on. How much 12-karat gold should be mixed with pure gold to obtain 60 grams of 16-karat gold?

Q: The value of a building lot on a certain island is jointly proportional to its area and the quantity…

A: V = value of building A=Area  Q= Quantity of water produced. According to question,

Q: To make 1 batch of lavender paint, the ratio of cups of pink paint to cups of blue paint is 6 to 5.…

A: We know that  ratio a: b is equivalent to the ratio ka:kb where k is non-zero finite real number.…

Q: The drag force on a boat varies jointly as the wetted surface area and the square of the velocity of…

A: Consider the provided statement. The drag force F on a  boat varies jointly as the wetted surface…

Q: The ratio of yes to no votes was 4:1. If 14,000 people voted No, how many votes were cast in total?

A: Let total x votes were cast. Given that the ratio of yes to no votes was 4:1. So, 1/(4+1)= 1/5th of…

Q: The ratio of dimes to pennies in a purse is 3 to 4. If 3 pennies are taken out of the purse, the…

A:

Q: What is the overall gear ratio when the transmission is in first gear which has a ratio of 2.5:1 and…

A:

Q: A gardening club has 21 members, of which 13 are males and the rest are females. Express as a…

A: The total number of members in a gardening club is 21, of which 13 are males and the rest are…

Q: The ratio of green M & M's to red is 2: 5. If there are 84 M&M's in the bag, how many are green?

A:

Q: If a is directly proportional to b and if a = 30 when b = 21, what is the value of a when b = 10…

A: Question number 30,Given,          a is directly proportional to b and a=30 whne b=21. Also when…

Q: Material x has a mass of 9 grams. The ratio of the masses of material x to material y is 2:3. The…

A: Here we will find the sum of masses of material 'y' and material 'm',

Q: A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient…

A: A patient weighing 132 pounds requires 143 milligrams of medicine. So, patient weighing 1 pounds…

Q: A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patlent…

A: A certain medicine is given in an amount proportional to a patient's body weight.Suppose a patient…

Q: Determine the constant of proportionality, k, given y directly proportional to x  and y= 400 when…

A:

Q: cheese

A:

Q: One figure is similar to a second figure if the points of the first figure can be matched with the…

A:

Q: of children who can speak in at least single words by the age of t months can be approximated by the…

A: Given that t=14  We have to find p at t=14

Q: In an electrical circuit, the voltage across a resistor is directly proportional to the current…

A:

Q: What quantity of pure acid muc=st be added to 2 gal of 30% acid solution to product a 60% acid…

A:

Q: A horse travels 50 miles in 150 minutes. What was the rate of the horse (in miles per hour)? O 20…

A: We are given with the distance covered by horse in a particular asking of time and we have to find…

Q: Use a sketch to illustrate the given situation and determine the solution. a. The ratio of U.S.…

A: (a)-According to question given that the ratio of U.S Citizens to Non citizensduring a given period…

Q: The ratio of the weight of an object on Planet A to the weight of the same object on Planet B is 100…

A: Given that  The ratio of the weight of an object on Planet A to the weight of the same object on…

Q: If g is proportional to h and the constant of variation is 22, what is the value of g when h=11?

A: Given: g is proportional to h. Constant of variation is 22. The objective is to find the value of…

Q: 9.) To water a lawn adequately, it takes approximately 554 gallons of water for every 500 square…

A: Calculation are as follows

Q: ook a racecar driver 3 hours and 20 minutes to go 500 miles. What is the constant of proportionality…

A: Given that  It took a racecar driver 3 hours and 20 minutes to go 500 miles.  Number of miles (y) =…

Q: The standard u.s A evaporation land on inside diameter of 47.5 inches and depth of 10.0 inch, if…

A: given that inside diameter is 47.5 inches radius,   R=47.52=23.75 inches  depth is H=10.0 inches…

Q: what if you need for a 99 percent CI to be ±10 minutes? what if you need for a 90 percent CI to be…

A:

Q: A 15 L container of water cost $18.75. What is the cost per liter?

A: Given: A 15 L container of water cost $18.75. To Find: The cost per liter

Q: a restaurant manager mixes 5 L of pure maple syrup that costs $9.50 per liter with imitation maple…

A:

Q: If y is directly proportional to x, and y = 56 ​when x = 6, what is the value of x when y =   84?​

A:

Q: A patient is to receive medication at the rate of 0.45mg per kilogram of body weight. How many…

A:

Q: The mass of a spherical solid is inversely proportional as its density and the cube of its…

A:

Q: For a substance C, the time rate of conversion is proportional to the square of the amount of…

A: Given: For substance C, the time rate of conversion is proportional to the square of the amount of…

Q: The volume of a box (V) varies directly with its length (). If the box has a volume of 360 cubic…

A: Volume ×length   v×l

Q: An elephant weighs 15,000 pounds on Earth and 2,500 pounds on the Moon. Assuming the weights are…

A: Formula : Percentage of weight on moon =  ( Weight on moon/weight on earth)×100

Q: The diameter of one celestial body is about four times the diameter of a similarly proportioned…

A: Let diameter of the small celestial body be "d" Given diameter of big celestial body is 4*diameter…

Q: In 1 km² of forest there are 2 coyotes. If the ratio coyotes to mice is 1:150. How many mice would…

A:

Q: The ratio of pink marbles to white marbles in samara’s bag is equal to 1:5.What percent of the bag…

A:

Q: You mix 1and 1/2   quarts of juice with 2 and 1/4  quarts of ginger ale to make fruit punch. What is…

A:

Q: If Y varies inversely as the square root of X, what happens to Y if X is decreased in the ratio…

A:

Q: the ratio of yourgurt to ice cream sold at baskin robbions is 1.4 of the next 100 cones sold how…

A:

Q: The distance a ball rolls down an inclined plane is directly proportional to the square of the times…

A:

Q: The ratio of pears to green apples is 1:3 if there are 150 green apples how many pears are there

A:

Q: The Daily value based on 2000 Cal, of Carbohydrates is: 300 g, fat 65 g, protein .50 g and 25 g…

A:

Q: A bus traveling at a rate of 60 mph overtakes a car traveling at a rate of 45mph. If the car had a 1…

A:

Q: A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200 kilometres at a…

A: Given that - A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200…

Q: A 76.00 pound flask of mercury costs $127.50. The density of mercury is 13.534 g/cm3 Find the price…

A: A 76.00 pound flask of mercury costs $127.50. The density of mercury is 13.534 g/cm3. To find the…

Q: A small, test batch of lemonade used cup of sugar added to 1 cup of water and 4 tablespoons of lemon…

A: In the test batch, the ratios of cups of sugar, water, and tablespoon of lemon juice is 12:1:4…

Q: The rectangular front windshield of the bus has the length of 1.5V3 m and the width of 1.5 m. The…

A: The rectangular front of windshield has  Lengthl=1.53mWidthb=1.5m The wipers are attached to bottom…

Q: The weight of an airplane including cargo varies as the square of the velocity and the…

A: NOTE: Refresh your page if you can't see any equations. . w=weight  v=velocity A=area . The weight…