Remember, (a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)
so
walls per gallon
4/5 wall per 5/8 gallon
(4/5)/(5/8)
(4/5)(8/5)
32/25
1.28
the unit rate is 1.28 walls per gallon
Answer:
i believe it is -21, but i'm not sure
Step-by-step explanation:
just foil the two to get a quadratic expression
wendy paid $41.79.
kelly's shoes were $9.95, and wendy paid 4.2 times more.
just multiply 9.95 with 4.2.
9.95 x 4.2 = 41.79