Question

Currently, Jana's grandmother is 5.25 times older than Jana.

Jana's mother is 2.5 times older than Jana. In 3 years, the sum
of all three of their ages will be 149 years. Write and solve an
equation to find Jana's current age. Then find her mother's
and grandmother's current ages.

Answer 1

Explanation:

j = jana's age

m = mom's age = 2.5 j

g = grandma's age = 5.25 j summed, they equal 149 IN THREE YEARS

j+3 + 2.5j +3 + 5.25 j + 3 = 149

8.75 j + 9 = 149

8.75 j = 140

j = 16 y/o

mom = 2.5 j = 40 y/o

g-ma = 5.25 j = 84 y/o