Answer:
Discount:$39.65 Sale Price:$39.65
Step-by-step explanation:
I tried but sorry couldn't figure it out.
a + 20 = 7*12 (multiplied both sides by 12)
a + 20 = 84 (calculated 7*12)
a = 84 - 20 (subtracted 20 on both sides)
a = 64 (calculated 84-20)
1536 cm^2 be the correct answ
