Asked by john
300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance
Answers
Answered by
Steve
There are 6x boys and 4x girls.
add them up: 10x = 300, so x=30.
There are 180 boys and 120 girls.
(180-30):(120-20) = 150:100 = 3:2
add them up: 10x = 300, so x=30.
There are 180 boys and 120 girls.
(180-30):(120-20) = 150:100 = 3:2
Answered by
Michael
A school has 140 boys and girls. The ratio of boys to girls is 2 to 5. How many students are boys and how many students are girls?
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