what number must be subtracted from each term of the ratio 15:23, , so that the ratio becomes 7:15
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3
Answer:
Number 8 must be substracted from each term to get the ratio 7:15
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let the number to be subtracted be x
The numbers become 15-x and 23-x
ATP,
(15-x)/(23-x)=7/15
15(15-x)=7(23-x)
225-15x=161-7x
15x-7x=225-161
8x=64
x=64/8
x=8
The number to be subtracted is 8
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