11. What number must be subtracted from each term of the ratio 17 : 33 so that the ratiobecomes 7 : 15?
Answers
Answered by
2
Step-by-step explanation:
17:33-x:y=7:15
17-7:33-15=x:y
10:18=x:y
so the required number is 10;18
hipe you get it
Answered by
1
Answer:
let the number is x
(17-x) : (33-x)=7 : 15
=> (17-x) /(33-x)=7/15
=> 15(17-x)=7(33-x)
=> 255-15x=231-7x
=> -15x+7x=231-255
=> -8x= -24
=> x= -24/-8= 3
=> x= 3
so 3 is subtracted
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