Answers

2015-09-20T18:31:24+05:30
Supppose the 2 sections as x

7:2 will be changed into 7x and 2x.

according to the condition,
7x+2x=450
9x= 450
x= 450÷9
x= 50

then,
7x =50×7
= 350

2x = 50×2
= 100

the addition of these 2 numbers i.e 350 and 100 is equal to 450....


hope its the correct answer and hope it helped u
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