Using the approximation 3.14 for pi, what is the radius of a circle with circumference 15.7 m?

2.5m

Step-by-step explanation:

C=2πr

We know the Circumference is 15.7, and are assuming pi as 3.14:

15.7=2(3.14)r

1) Simplify:

15.7=6.28r

2) Divide both sides by 6.28

r=2.5

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)