The boys and girls are in the ratio 8 : 5. If the number of girls is 160, what is the total strength of the school? *
Answers
Answered by
0
Answer:
8: 5 :: x : 160
8 x 160 = 5x
1280/5 =x
256 boys
total strength= 256+160=416
Answered by
2
Answer:
416
Step-by-step explanation:
ratio of boys: girls = 8 : 5
number of girls = 160
let the common factor of the ratio be x
5x = 160
x = 160/5
x = 32
method I
number of boys = 8x = 8 × 32 = 256
total strength of school = 160 + 256 = 416
method II
total strength of school = 8x + 5x = 13x = 13 × 32 = 416
Therefore total strength of school is 416
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