Question

~ Mark is twice as old as his sister Jade. Jade is (x) years old . Their sister Marika is three years older than Mark .
a) Write mark's age , in terms of x .
b) Write marika's age in terms of x .
c) Find in terms of x , the sum of their ages .

Answer 1

mark's age =2x
marika's age = 2x+3
sum of ages= x+2x+2x+3 = 5x+3

Answer 2

thankyou very much :D