Two numbers are in the ratio 4:7.If4 is added
to each number then the ratio becomes 3,: 5.
Find the smaller number
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Answer:
let the ratio 4and 7 be 4x and 7x
according to the question ;
4x+4/ 7x+4 = 3/5
=5(4x+4 )=3(7x+4)
= 20x+20=21x = 12
20x-21x = 12-20
-x = -18
therefore x= 18
4x = 4 * 18 = 72
7x = 7 * 18 = 126
Step-by-step explanation:
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