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 3 times the other new number. What are the
2
numbers?
3
5. When three consecutive even integers are added, the sum is zero. Find the integers.
6. Find two consecutive odd integers such that two-fifth of the smaller exceeds two-
ninth of the greater by 4.
7. The denominator of a fraction is 1 more than twice its numerator. If the numerator
and denominator are both increased by 5, it becomes. Find the original fraction.
5
8. Find two positive numbers in the ratio 2 : 5 such that their difference is 15.
9. What number should be added to each of the numbers 12, 22, 42 and 72 so that the
resulting numbers may be in proportion?
If the digite are interchanged and the​

Answer 1

8

5x-2x=15

3x=15

x=5

2x=10

5x=20

so the numbersare 10 and 25

is this helpfull i know i clicked pictures

hope u understood;)