The ratio of girls to boys in the grade is 9 to 10. If there are 225 girls, how many boys are there?
2 answers:
Girls :Boys = 9:10
Total girls= 225
9=225
10=10/9×225
=250
NB: It will 250 because 9 is going to cancel 225
Answer:
250 boys
Step-by-step explanation:
We know that the ratio is 9:10 from girls to boys
Take 225 and divide it by 9
225 ÷ 9 = 25
So we know that 25 is a factor of 225
We can the number of boys and multiply it by 25 to get 250
If we put it in the ratio form:
225:250 = 9/10
Check work:
25 x 9 = 225
25 x 10 = 250
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