A limited-edition poster increases in value each year. After 1 year, the poster is worth $20.70. After 2 years, it is worth $23.

Question

3 years ago

12

A limited-edition poster increases in value each year. After 1 year, the poster is worth $20.70. After 2 years, it is worth $23.

81. Which equation can be used to find the value, y, after x years? (Round money values to the nearest penny.) y = 18(1.15)x y = 18(0.15)x y = 20.7(1.15)x y = 20.7(0.15)x

Mathematics

2 answers:

AnnyKZ [126] · Answer 1 · 2022-02-22T12:36:41+03:00

AnnyKZ [126]3 years ago

8 0

The answer is A ......

MAXImum [283] · Answer 2 · 2022-02-22T10:09:19+03:00

MAXImum [283]3 years ago

7 0

First we want to find the amount that will be worth 20.7 after one year and 23.81 after two years
So I assume that
Y =p (1.15)^x
Where
Y 20.7
P ?
X 1 year
20.7=p (1.15)^1
Solve for p
P=20.7÷1.15
P=18

The answer is
Y=18 (1.15)^x