The ratio of the number of boys to that of girls in a school is 9:7.if the number of boys increase s by 40%,and that of girls by20% ,what will the new ratio of boys and girl
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Answer:
24 boys and girls are 39 girl ok
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Answer:
3:2
Step-by-step explanation:
Let no of boys 9x, no of girls be 7x.
New no. of boys be 9x.140/100 = 63x/5
New no. of girls be 7x.120/100 = 42x/5
New ratio 63:42 = 3:2
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