Question 970959
One boy has 5 rupees one girl has 7 rupees,15 boys and girls collected 83 rupees.so there are how many boys and girls?
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let x=number of boys
15-x=number of girls
..
5x+7(15-x)=83
5x+105-7x=83
2x=22
x=11
15-x=4
so there are how many boys and girls? 11 boys and 4 girls