Question

Find n if n to 40=9 to 10

Answer 1

we know that-
                     n:40=9:10
so,                n÷40=9÷10
                     n= (9×40)÷10
                     n= 9×4                      (because 10 *4 = 40)
Therefore,       n=36
u can also verify it by putting the value of n.
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Answer 2

n:40=:9:10
n/40=9/10
n=(9*40)/10
n=9*4=36
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