Question

plz help me....................​

Answer 1

5) let neetu's age be x years

condition:-

15 + 3x = 4x

15 = 4x - 3x

15 = x

her age is 15 years

6) let the number be x

condition:-

x - 30 = 14 - 2x

x + 2x = 14 + 30

3x = 34

x = 11.3

the number is 11.3