ek class me 65 students hai.unme agar 3900 Rs is trah de ki boys ko 80Rs mile aur girls ko 30Rs mile to girls kitni hai class me
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let the no. of girls be x
boys =65-x
a/q
80(65-x)+30x=3900
5200-80x+30x=3900
5200-3900=80x-30x
1300=50x
26=x
the no. of girls is 26
boys =65-x
a/q
80(65-x)+30x=3900
5200-80x+30x=3900
5200-3900=80x-30x
1300=50x
26=x
the no. of girls is 26
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