Question

Al lives 30 mi. from Ann. At the same time, they start biking toward each other on the same road. Al’s constant rate is 12 mph. Ann’s is 8 mph. How long will it take them to meet?
A. 0.5 hour
B. 1 hour
C. 1.5 hours
D. 2.5 hours

Answer 1

@dm91

Answer 2

@pooja195

Answer 3

@triciaal

Answer 4

@johnweldon1993

Answer 5

i think its c but im not sure

Answer 6

Are you familiar with the distance formula? d = distance = (rate) * (time). Here your distance is 30 mi.

Again, distance = rate * time. Given that Al rides at the constant rate of 12 mi/hr, how far will he have ridden after t hours? Answer a similar question for Ann.

The sum of the distances that Al and Ann ride during time t is ... ?

Answer 7

So the answer is 1.5 Mph