two numbers are such that if 7 is added to the first number a number twice the second number is obtained if 20 is added to the second number the number obtained is four times the first number find the two numbers
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Answer:
x=47/7 y=48/7
Step-by-step explanation:
let the two numbers be X and Y
According to question, X+7=2Y
20+Y=4X
X=2Y-7 (from 1st condition)
putting in it second
20+Y=4(2Y-7)
20+Y=8Y-28
20+28=8Y-Y
48=7Y
Y=48/7
so X=2(48/7)-7
=96-49/7
47/7
hope it may help you
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