Question

4. A positive number is 7 times another number. If 15 is added to both the numbers,
then one of the new number becomes 5/2 times the other new number. What are the
numbers?

pls answer fast
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Answer 1

• 35,5 is your answer.

Step-by-step explanation:

Assume X & Y

X= 7Y (X is a bigger number)

(X+15)=(Y+15)

X+15 = 5/2(Y+15)

X+15= 5Y/2 +75/2

2 (X+15) = 5Y+75

2X+30=5Y+75

2 (7Y) +30 = 5Y+75

14Y+30=5Y+75

14Y-5Y=75-30

9Y= 45

Y= 5

X= 7Y

 = 7 (5)

 = 35