10. Sally wants to buy a bicycle that costs $285. The bicycle is on sale for 15% off. How much
will she buy the bicycle for?

$285×15/100

= $42.75 and this is the discount

$285-42.75 = $242.25

Sally will buy the bicycle at $ 242.25

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

eve and marks ratios are equivalent

step-by-step explanation: