А. N
3 Before leaving to visit Mexico, Levant traded
270 American dollars and received 3,000 Mexican
pesos. When he returned from Mexico, he had
100 pesos left. How much will he receive when he
exchanges these pesos for dollars? (Example 2)

It’s $11

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb