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Solving Speed Problems

Question 5 • TX-College Prep Math A

Marguerite sailed 4 hours on Saturday and 3 hours on Sunday. Each day, she sailed at a rate of 11 miles per hour. Which statements are true? Check all that apply.

Answer
A
She sailed for 4 hours.
B
She sailed for 7 hours.
C
She sailed 44 miles in all.
D
She sailed 77 miles in all.

Explanation

Add the sailing time from both days: 4 + 3 = 7 hours, so “She sailed for 7 hours” is true. At 11 miles per hour, she sailed 7 × 11 = 77 miles in all, so “She sailed 77 miles in all” is also true. The 4 hours was only Saturday’s sailing time, and 44 miles is not the total distance.

AI-written and checked against the verified answer.

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