Last year, there was 610 boys in a school. The number decreased by 20% this year. How many girls are there in school if the number of girls is 175% of the total number of boys in the school this year?
Given:
The number of boys students last year = 610
Decreased percentage in this year = 20%
Solution:
The number of boys students this year = 610 × = 488
According to the question
The number of girls =
= × 488
= 7 × 122
= 854
∴ The number of girls is 854.
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