During a hot summer week, the water level in Wei's pooI decreased by 1.9 centimeters. Wei added water to the pool, increasing the level by 3.5 centimeters. During the next week, the water level decreased by 2.4 centimeters. How does the new water level compare to the original water level? Show your work.

Q: Avani is starting a running plan to train for a race. In the first week of her running plan, Avani…

A: Given that: Number of miles run by Avani in first week=7 miles.Number of miles run by Avani in…

Q: New Orleans averages 86% humidity in the mornings, but it decreases by 19% in the afternoon. What is…

A:

Q: A bath tub is being filled at 2.8 gallons per minute. The drain is letting out 1.3 gallons per…

A: We have,  Qf.=2.8 gallon/min QD.=1.3 gallon/min Net filling rate =(Flow in)-(Flow out)…

Q: What is half the difference of 18 and y?

A: Recall: Difference of two numbers 'x' and 'y' is x-y. Let 'x' be any number , then half the number…

Q: A bath tub is being filled at 2.5 gallons per minute. The drain is letting out 1.0 gallons per…

A: Given Bath tub is filled at the rate of 2.5 gallons per minute water drains from the bathtub at the…

Q: It took a crew 2 h 40 min to row 6 km upstream and back again. If the rate of flow of the stream was…

A:

Q: The 12 members of the math department raised $1536 for charity in total. The 8 members of the…

A: GivenThe number of individuals who raised charity from Math department =12 The total amount of…

Q: I need to find a conversion factor between cubic meters and cubic centimeters. How do I write it in…

A: 1 m = 100cm

Q: A. This nutritious recipe for Lumpiang Sariwa is for 10 servings. What is the amount of each…

A: The recipe of LUMPIANG SARIWA for 10 servings is given. We need to find the amount of each…

Q: You have to take a medication every 6 hours for 5 days starting at 7 A.M. Explain why you will never…

A: Given that the prescribed medication can be taken every 6 hours starting at 7 A.M. We have to…

Q: It took a crew 1 h 10 min to row 7 km upstream and back again. If the rate of flow of the stream was…

A: Let the speed of crew e x . Rate of flow of stream = 8 km/h Rowing speed in upstream = x - 8 km/h…

Q: Ke Yi's average for her first 3 tests is 88. What must she score on her last test to bring her…

A: You must have the idea of average and how to find average of a set of numbers.

Q: A client weighed 95kg(kilograms) on the initial visit to the clinic. When the client reported for…

A:

Q: Noah rides his bike 10 km in 30 minutes. What is his average speed in kilometers per hour?

A: average speed = total distance/ total time  Here total distance = 10 km total time = 30 minutes=…

Q: It took a crew 1 h 12 min to row 9 km upstream and back again. If the rate of flow of the stream was…

A:

Q: A trip, including hotel and air, is priced at $324.34 after tax. If the tax rate is 14%, calculate…

A:

Q: Elena collects 112 specimens of beetle and records their lengths for an ecology research project.…

A: To solve the following problem

Q: How much water should be added to 10 mL of 11% alcohol solution to reduce the concentration to 5%?…

A:

Q: David worked 38 hours last week. If the hourly rate is $13, find the gross pay?

A:

Q: 2. After six hours, a hiker descended 500 feet At what rate did the hiker climb (in feet per hour)?…

A: Given that a hiker descended 500 feet in six hours.  We have to find what rate did the hiker climb…

Q: Supposed Stephanie drove 100 miles and then increased to speed by 30 mph for the following 200…

A:

Q: mowing

A: We will fill the table and find the required function.

Q: You make 100 fancy chocolate tarts for Valentine's Day bake sale at a cost of $3.10 each.  If a…

A:

Q: The ratio of the weight of Paul's book to the weight of Sarah's book is 3:4. When both books are…

A: A detailed solution is given below.

Q: A woman working on commission makes $420 for selling $4,700 worth of merchandise. What is her…

A: Given:  Total sale = $4,700 comission = $420       To determine: Commission rate

Q: Which is the greater rate,15 miles in 12 minutes or 25 miles in 20 minutes?Explain

A: Solution: the objective is to find sum of given series

Q: Brádley estimated the height of a tree at 2.5 meters. Carla estimated that tree's height at 8 feet.…

A:

Q: It took a crew 1 h 50 min to row 8 km upstream and back again. If the rate of flow of the stream was…

A: Given, It took a crew 1 h 50 min(=110 min) to row 8 km upstream and back again and the rate of flow…

Q: Which proportion represents the correct way to set up this problem? * Isaac and his friends pitched…

A:

Q: Lisa goes to school 7 hours per day, works 3 hours per day, and sleeps for 8 hours per day. What is…

A: Given: Lisa’s school hours = 7 hours Lisa’s work hours = 3 hours Lisa’s sleep hours = 8 hours

Q: Roger worked 9 hours on Friday and 6 hours on Saturday. What is the ratio of the work done on Friday…

A: To solve the following problem

Q: An engine loses 4.2 horsepower through friction. the power loss is 6% of the total rated horsepwoer.…

A:

Q: The ratio of picnic tables to garbage cans in a new national park should be 8:3. The park design…

A: Given that, the ration of no. of picnic tables to garbage cans is 8 : 3. That is, for 8 picnic…

Q: it took amari 2 hours to paint the first 14 feet of a 70-foot-long fence. what percentage of the…

A:

Q: a black bean soup recipe calls for 2 cups of black beans for every 1.5 cups of water. If you plan on…

A: To find the ratio of cups of black beans to water

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: A mountain is 18,541 feet above sea level, and a valley is 342 feet below sea level. What is the…

A: 16 Given that a mountain is 18,541 feet above sea level and a valley is 342 feet below sea level. We…

Q: You need to prepare 150, 2 oz. servings and the original recipe yields 100, 4 oz. servings. What is…

A: Original yield = 100 serving x 4 oz each  = 400 oz   Desired yield = 150 servings x 2 oz each = 300…

Q: Amy roller skates 30 miles in 6 days. At that rate how many miles would she roller state in 11 days?

A:

Q: Nik needs to estimate how many books will fit in the a bin. Each book is 0.75 feet tall, 0.75 feet…

A:

Q: A falcon flew 70 miles in 3 hours. What was the speed of the falcon?

A: Distance travelled by falcon = 70 milesTime taken by falcon = 3 hours

Q: It took a crew 3 h 36 min to row 6 km upstream and back again. If the rate of flow of the stream was…

A: Let the rowing speed in still water be x km/ hour.The rate of the flow of stream is 4 km/ hour.The…

Q: the razdan family drinks 0.5 gallon of milk a day. will 2.5 gallons of milk last them more than a…

A: No 2.5 gallons of milk will not be enough for the razdan family for a week.

Q: 6. On the average, 1 liter of diesel fu much must you set aside for gasolin per liter?

A:

Q: It took a crew 2 h 15 min to row 7 km upstream and back again. If the rate of flow of the stream was…

A:

Q: The cost of kerosene per litre increases from ₦60 to ₦85. What is the percentage rate of increase?

A: The cost of kerosene per litre increases from ₦60 to ₦85 We have to find the percentage rate of…

Q: Can you help me with this please?  How much money will the girl get after 25 nights?  $___________…

A: Given that a leprechaun places a magic penny under a girl's pillow.Also the next night there are 2…

Q: nik needs to estimate how many books will fit in a bin. Each book is 0.75 feet tall, 0.75 feet wide,…

A: Given, Each book is 0.75 feet tall, 0.75 feet wide, and 0.25 feet thick. The bin is 4 feet wide, 4…

Q: On a bicycle, Tiffany rides for 8 hours and is 34 miles from her house. After riding for 11 hours,…

A:

Q: The mean of 14 mini computers are 5.1 inches. What is the total width of the mini computers.

A: