Question 1 of 5Solve each Word Problem
A cargo plane left Alexton and flew toward the airshow at an average speed of 350 mph. A passenger plane left one hour later and flew in the same direction but with an average speed of 400 mph. How long did the cargo plane fly before the passenger plane caught up?
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Select the Correct Answer Below: Correct! Not Correct!
A
4 Hours
B
8 Hours
C
2 Hours
D
1.5 Hours
E
17.5 Hours
Question 2 of 5Solve each Word Problem
Jacob traveled from his house to the lake and back. The trip there took four hours and the trip back took six hours. He averaged 24 mph faster on the trip there than on the return trip. Find Jacob’s average speed on the trip to the lake.
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Select the Correct Answer Below: Correct! Not Correct!
A
65.5 mph
B
72 mph
C
77 mph
D
103.75 mph
E
83 mph
Question 3 of 5Solve each Word Problem
Sally works as a metallurgist. Sally needs to make 8 oz. of an alloy containing 70% platinum. She is going to melt and combine one metal that is 90% platinum with another metal that is 10% platinum. How much of each should she use?
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Select the Correct Answer Below: Correct! Not Correct!
A
6 oz. of 90% Platinum, 2 oz. of 10% Platinum 6 oz. of 90% Platinum
2 oz. of 10% Platinum
B
12 oz. of 90% Platinum, 5.6 oz. of 10% Platinum 12 oz. of 90% Platinum
5.6 oz. of 10% Platinum
C
6.9 oz. of 90% Platinum, 2.5 oz. of 10% Platinum 6.9 oz. of 90% Platinum
2.5 oz. of 10% Platinum
D
3 oz. of 90% Platinum, 18 oz. of 10% Platinum 3 oz. of 90% Platinum
18 oz. of 10% Platinum
E
1.5 oz. of 90% Platinum, 5.5 oz. of 10% Platinum 1.5 oz. of 90% Platinum
5.5 oz. of 10% Platinum
Question 4 of 5Solve each Word Problem
Jennifer wants to make 12 gallons of a 24% sugar solution. She will do this by mixing together an 80% sugar solution and a 10% sugar solution. How much of each solution must she use?
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Select the Correct Answer Below: Correct! Not Correct!
A
9 gallons of 80% sugar solution, 3 gallons of 10% sugar solution 9 gal. of 80% solution
3 gal. of 10% solution
B
6.5 gallons of 80% sugar solution, 5.5 gallons of 10% sugar solution 6.5 gal. of 80% solution
5.5 gal. of 10% solution
C
4 gallons of 80% sugar solution, 8 gallons of 10% sugar solution 4 gal. of 80% solution
8 gal. of 10% solution
D
2.4 gallons of 80% sugar solution, 9.6 gallons of 10% sugar solution 2.4 gal. of 80% solution
9.6 gal. of 10% solution
E
1.6 gallons of 80% sugar solution, 10.4 gallons of 10% sugar solution 1.6 gal. of 80% solution
10.4 gal. of 10% solution
Question 5 of 5Solve each Word Problem
Jerry asked you to make 8 Liters of fruit punch that contains 23% fruit juice. He wants you to create the fruit punch by mixing together some amount of Lucky’s Fruit Punch and some amount of Johnson’s Fruit Punch. Lucky’s fruit punch contains 50% fruit juice and Johnson’s fruit punch contains 14% fruit juice. How much of each do you need?
Finish »
Select the Correct Answer Below: Correct! Not Correct!
A
5 Liters of Lucky's Fruit Punch, 3 Liters of Johnson's Fruit Punch 5L-Lucky's F.P.
3L-Johnson's F.P.
B
7 Liters of Lucky's Fruit Punch, 1 Liter of Johnson's Fruit Punch 7L-Lucky's F.P.
1L-Johnson's F.P.
C
6 Liters of Lucky's Fruit Punch, 2 Liters of Johnson's Fruit Punch 6L-Lucky's F.P.
2L-Johnson's F.P.
D
2 Liters of Lucky's Fruit Punch, 6 Liters of Johnson's Fruit Punch 2L-Lucky's F.P.
6L-Johnson's F.P.
E
4.5 Liters of Lucky's Fruit Punch, 3.5 Liters of Johnson's Fruit Punch 4.5L-Lucky's F.P.
3.5L-Johnson's F.P.

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