Question 1 of 5Solve each Word Problem
Jason wants to make 10.8 mL of a 70% acid solution by mixing together a 75% acid solution and a 45% acid solution. How much of each solution should he use?
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Select the Correct Answer Below: Correct! Not Correct!
A
2.6mL - 75% acid solution, 3.9mL - 45% acid solution
B
12mL - 75% acid solution, 15.3mL - 45% acid solution
C
9mL - 75% acid solution, 1.8mL - 45% acid solution
D
4.2mL - 75% acid solution, 6.75mL - 45% acid solution
E
11.2mL - 75% acid solution, 8.3mL - 45% acid solution
Question 2 of 5Solve each Word Problem
How many pounds of mixed nuts that contain 64% peanuts must Steven add to 7 pounds of mixed nuts that contain 24% peanuts to make a mixture with 50% peanuts?
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Select the Correct Answer Below: Correct! Not Correct!
A
7 pounds
B
11 pounds
C
23 pounds
D
19 pounds
E
13 pounds
Question 3 of 5Solve each Word Problem
James traveled to the grocery store and back. It took 0.5 hours less time to get there than it did to get back. The average speed on the trip there was 32.8 miles per hour. The average speed on the way back was 24.6 miles per hour. How many hours did the trip there take?
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Select the Correct Answer Below: Correct! Not Correct!
A
1.5 hours
B
3.25 hours
C
9 hours
D
1 hour
E
18.5 hours
Question 4 of 5Solve each Word Problem
Jasmine left Ashley’s house and traveled toward the shopping center. Kate left Ashley’s house two hours later traveling 20 miles per hour faster in an effort to catch up to her. After four hours, Kate finally caught up. What was Jasmine’s average speed?
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Select the Correct Answer Below: Correct! Not Correct!
A
60 mph
B
40 mph
C
90 mph
D
100 mph
E
25 mph
Question 5 of 5Solve each Word Problem
Two trains leave the station at exactly the same time. Train A travels north and Train B travels south at 20 miles per hour faster. In 2 hours the trains are 280 miles apart. What was the average speed of each train?
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Select the Correct Answer Below: Correct! Not Correct!
A
Train A - 80 mph, Train B - 60 mph
B
Train A - 40 mph, Train B - 60 mph
C
Train A - 60 mph, Train B - 80 mph
D
Train A - 80 mph, Train B - 100 mph
E
Train A - 175 mph, Train B - 195 mph

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