$64 jacket; 20% discount [pl me ]

$51.20

Step-by-step explanation:

A 20% discount makes it 80% of the original price.

80% is 0.8 of something so multiply $64 by 0.8 to get your answer of $51.20

answer:

it will cost 480 dollars to refurbish the larger wood floor

step-by-step explanation:

as it's a ratio of 4 that costs 384 dollars, divide the price by the ratio

384 / 4 = 96 dollars

96 dollars per unit of the ratio

now to get the price to refurbish the larger wood floor, times the price by the units

96 * 5 = 480

final answer is : )