Question

jack is two years older than diane and the sum of their ages is 18.how old are jack and diane

Answer 1

Answer:

let Dane be X and Jack will be X+2

Step-by-step explanation:

so X+X+2=18 then

2x=18-2

2x=16x =8

now Jack is 10 years and Dane is 8

Answer 2

Answer:

Let we assume that diane was 'x' years old than the age of jack be 'x+2'.

Then according to question,. x+x+2=18 2x=18-2. 2x=16. x=16/2. x=8