Question

14. Mike is riding his bike at 15 miles per

hour. (1.2)
a. What is his speed in feet per second?
(Use 5280 feet in each mile)
b. If John is riding at 25 feet per second,
who is riding faster, explain how you
know?
I

Answer 1

a) 1320 feet

b) John

Explanation:

a) 15/60 miles per minute = 1/4 mile per minute

1/4*5280= 1320 foot per min

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25 feet per sec---------> 60*25 feet per min = 1500 feet per min

so john is faster