Let's rewrite the information then figure out the answer.
DVD: $9.00 originally but on sale with an 80% discount.
80%=0.80
9.00(0.80) = $7.20
$9.00 - $7.20 = $1.80
Thus, the sales price is: $1.80
Answer:
None of them are proportiionsal
Step-by-step explanation:
18+13=31, so Carmine must have 18 apples, and 5 less then her is the number of apples Rachel has. So, Rachel has 13 apples +/-.