Question

john is 7 years older than half of his sister's age. if john is 35 years old then how old is his sister​

Answer 1

Answer:

56 years

Step-by-step explanation:

let sister age be X

according to the question:

x/2 + 7 = 35

x/2 = 28

x = 56

Answer 2

1/2x+7=35

x+14/2=35

x+14=35×2

x+14=70

x=70 -14

x=56

john is 7 years older than half of his sister

56÷2 = 28

Sister's age is 28.