60 because .7 times 60 equals 42 therefore the answer is 60
13 m is the volume of the prism
I think the answer is 17/4
Let the number of times she turns the pedal in one mile be x.
Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then

Therefore, she turns the pedal 500 times in one mile.
Answer:
a) $23 500
b) $6 700
Step-by-step explanation:
19300-13700/7-3
decrease of $1400/y
19300 + (3*1400) = original price
= $23 500
value after 12 years = 23 500 - (1400*12)
= $6 700