All you do is divide by 10
there are 189 whole dimes
C = 2 pi r
but c = 15
15 = 2 pi r
15 = 2 * (22/7) * r
r = (15*7) / 2 / 22
r = 2.386
Mark reads about 350 (D) wpm
Explanation:
700 words x 10 pages= 7000 words
7000 words/ 20 minutes
= 350 wpm

Solve the second equation for y

Substitute the given value of y into the first equation

Solve the equation for x

Substitute the given value of x into the second equation

Solve the equation for y

The possible solution of the system is the ordered pair (x,y)
