
Patrick B. answered 10/25/19
Tutor
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(31)
Math and computer tutor/teacher
daughter is X
mother is 9x
5(x+4) = 9x+4
5x + 20 = 9x + 4
20 = 4x + 4
16 = 4x
x=4
daughter is 4
mom is 36.
in 4 years, daughter is 8, mom is 40, which is 5 times.