Miles is buying a new computer for $1,150. He is considering two credit options. Option A offers a 3-year loan with a 10% simple interest rate while Option B offers a 5-year loan with a 6.5% simple interest rate. Which is the better option and how much will he save?

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

step-by-step explanation:

m∠a is 90°

m∠b is 40°