Answer:
20 lawns
Step-by-step explanation:
7x5=35
4x5=20
2 dimes and one nickel
r = 47
r - 38 = 9
r- 38 + 38 = 9 + 38
simplify
2x^2-28=10x
x^2-14=5x
x^2-5x-14=0
(x-7)(x+2)=0
x = 7, -2
A
