Answer:
$ 9.5
Step-by-step explanation:
total money is $20
on lunch = 1/8 × 20 = 5/2 = $2.5
on movies = 2/5 × 20 = $8
total spent = 2.5+8 =$ 10.5
left money = 20-10.5 = $ 9.5
A = 5x^2 + 10x
A = H*W
H = 5x
W = x + 2
A = 5x(x + 2)
Distribute
5x*x = 5x^2
5x*2 = 10x
