Question

OR M

R ELEASED.
Kim made soup which contains 75 total ounces of beans.
The soup has two kinds of beans, black and red.
There are 4 times as many ounces of black beans as red beans.
How many ounces of red beans are in the soup?
12
15
19

Answer 1

75=b+r
b=4r
Plug in
75=4r+r
75=5r
÷5 both sides
r=15