Answer:
(o+y) + 3y = 61
to solve divide by 5 because there is 4 younger sister age + 1 for the older sister. 61-1=60. we subtract because the sister is older by 1 year
60/5=12 so the younger sister is 12
(13+12) + 36 = 61
Consecutive means in order like 3,4,5 or 11,12,13
Hope this helps
Step-by-step explanation: