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Oksana_A [137]
3 years ago
10

Two cyclists are 7 miles apart when they begin biking away from each other in opposite directions. The speed of the first cyclis

t is 12 miles per hour. The speed of the second cyclist is b miles per hour greater than the speed of the first cyclist.
How many miles does the second cyclist bike in 45 minutes?
Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:

The distance covered by the second cyclist in 45 minutes is (3/4·b + 9) miles

Step-by-step explanation:

The given parameters are;

The distance between the two cyclist when they begin biking away from each other = 7 miles

The first cyclist's speed = 12 miles per hour

The second cyclist's speed = 12 + b miles per hour

Therefore, we have;

The equation for distance covered, d = Speed × Time

The distance covered by the second cyclist in 45 minutes, d_{45 \ minutes} is given as follows;

45 minutes = 3/4 hour

d_{45 \ minutes}  = (12 + b) × 3/4 = (3/4·b + 9) miles

The distance covered by the second cyclist in 45 minutes = (3/4·b + 9) miles.

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