Question
Jade is 9 years old. The sum of her parents age is the square of Jade's age Her father is 11 years older than her mother.
A) How old is Jade's mother?
A) How old is Jade's mother?
Answers
Reiny
mom ---- x
dad ------ x+11
Just translate "The sum of her parents age is the square of Jade's age " into math
x + x+11 = 9^2
solve for x
dad ------ x+11
Just translate "The sum of her parents age is the square of Jade's age " into math
x + x+11 = 9^2
solve for x
indira
68
Reiny
nope
x + x+11 = 9^2
2x + 11 = 81
2x = 70
x = 35
the mother is 35
check:
if the mother is 35, then dad is 46
the sum of their ages is 81 which is 9^2
answer of 35 is correct
x + x+11 = 9^2
2x + 11 = 81
2x = 70
x = 35
the mother is 35
check:
if the mother is 35, then dad is 46
the sum of their ages is 81 which is 9^2
answer of 35 is correct