Question

Eds- RELEASED FORM25 Kim made soup which contains 75 total ounces of beanssoup has two kinds of beans, black and redThere many ounces of black beans as red beanare 4 times How many ounces of red beans are in the soup?

Answer 1

Let b be black bean
Let r be red bean
b=4r...(1)
b+4r=75....(2)
(1)-> (2)    b+4r=75
                4r+4r=75
                8r/8  =75/8
                       r=9.375.....(3)
(3)-> (1)       b=4r
                    b=4(9.375)
                    b=37.5