Show your work Their meal cost $78.65, and they leave a 20% tip. The tip is always applied to the cost of the meal before the discount, what is the total cost the family will pay? (15 points)

$94.38

Step-by-step explanation:

find 20 percent of 78.65

78.65 * .2 = 15.73

(20% as a decimal is .20, or .2)

add the tip to the cost of the meal

78.65 + 15.73 = 94.38

total cost is $94.38

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.