Boys : Girls : Total
5 : 7 : 5 + 7
5 . ; 7 . : 12
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Find 1 part :
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12 parts = 36
1 part = 36 ÷ 12
1 part = 3
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Find number of boys (5 parts)
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1 part = 3
5 parts = 3 x 5
5 parts = 15
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Answer: There are 15 boys.
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360 is the answer
72000/x=200
72000/200=x
x=360
Answer:
the answer is Y =2/5x
Step-by-step explanation:
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