Question

A tourist bus travels for 3 hours at 40 miles per hour and then
covers a distance of 80 miles in two hours and 40 minutes. His
average rate for the entire trip was minutes.

a.35mph
b.35.3mph
c.35.5mph
d.36mph​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

A tourist bus travels for 3 hours at 40 miles per hour and then covers a distance of 80 miles in two hours and 40 minutes. His average rate for the entire trip was minutes.

a. 35mph

b. 35.3mph

c. 35.5mph

d. 36mph

EVALUATION

Here it is given that a tourist bus travels for 3 hours at 40 miles per hour

So the distance covered at 3 hours

= ( 3 × 40 ) miles

= 120 miles

Then the tourist covers a distance of 80 miles in two hours and 40 minutes

So total distance covered

= ( 120 + 80 ) miles

= 200 miles

Total time taken

= 3 hours + 2 hours 40 minutes

= 5 hours 40 minutes

= 5.66 hours

Hence the average rate for the entire trip was

$\displaystyle \sf{ = \frac{200}{5.66} } \: \: mph$

$\displaystyle \sf{ = 35.33 } \: \: mph$

FINAL ANSWER

Hence the correct option is 35.3 mph

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