Ratio between two numbers is 4:7.if each is increased by 20,then the ratio becomes 7:9,find the numbers.give the answer
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Answer:
160/13,280/13
Step-by-step explanation:
4x+20/7x+20=7/9
36x+180=49x+140
x=40/13
4x=160/13
7x=280/13
Answered by
2
Ratio between two numbers is 4:7
Numbers are 4x, 7x
Each number is increased by 20
4x + 20/7x + 20 = 7/9
36x + 180 = 49x + 140
x = 40/13
Numbers are 160/13 , 280/13
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