# A school has enough food for 400. children for 12 days. How long will the food last if 80 more children join them?

2
by anilMadan427

Log in to add a comment

by anilMadan427

Log in to add a comment

Y1=12

X2=400+80=480

Y2=?

here , no.of children and no.of days are in inverse proportion

so,X1/X2=Y2/Y1

=)400/480=Y2/12

=)Y2/12=5/6

=)Y2=5*2

=)Y2=10

therefore,if 80 more children join them then the food will last for 10 days.