The number of boys in a school is 120 more than the number of girls. If there are 980 students in the school, fine number of boys in the school.
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let the number of girls in the
school be x.
and the number of boys in the
school be (x+120).
from given condition. ..
x+(x+120)=980
x+x+120=980
2x+120=980
2x =980-120
2x=860
x=860÷2
x=430
the number of girls are 430
so the number of boys are 430+ 120
= 550
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