Binomial multiplication (foil) paper (x-2)(x-4)

Step-by-step explanation:

Given:

Binomial is .

In FOIL method, we first multiply the first term of each binomial. First terms are and .

⇒

Next, we multiply the outer terms. Outer terms are and -4.

⇒

Next, we multiply the inner terms. Inner terms are -2 and .

Lastly, we multiply the last terms of each binomial. Last terms are -2 and -4.

Now, we add all the results to get the answer.

Therefore,

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.