If there’s an 80 percent reduction then you’re paying 20 percent of the original cost.
132 =.2x
X =$660
Answer:
a. Yes
b. 3x+7
c. 105 cm
Step-by-step explanation:
a. a(1)+b=10
a(2)+b=13
when you solve this by elimination or simultaneously: a=3 and b=7
∴ f(x)=3x+7
b. f(x)=3x+7
c. 3(35)+7=112 cm
1/2 x 1/2 x 1/2 = 1/8
then you convert it into a percent
12.5%