Question

Q18. The difference between the ages of a girl and her young sister is 4 years. The young sister is 4 years
elder to brother. Find the ages of each if the sum of the ages of young sister and brother is 16years.​

Answer 1

Step-by-step explanation:

brother = x

youung sister = x+4

sister = x+4+4

x+x+4+x+4+4 = 16

3x + 12 = 16

3x= 4

3x/3 = 4/3