Marvin surveyed his classmates to find out their favorite sport. Each classmate chose only one sport. 25% of his classmates chose soccer. If 15 classmates chose soccer, how many classmates did Marvin survey?

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

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12.5 feet

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.