Problema Solution
Sarah's mother is 5 years older than twice Sarah's age. Her father is 8 years younger than 3 times Sarah's age. The sum of all of their ages is 99. Find everyones age.
Answer provided by our tutors
Sarah's mother is 5 years older than twice Sarah's age. Her father is 8 years younger than 3 times Sarah's age. The sum of all of their ages is 99. Find everyones age.
M=5+2S.
F=3S-8.
F+S+M=99.
3S-8+2S+5+S=99.
6S=99+8-5.
6S=102.
S+102/6.
=17.
F=3*17-8=43.
M=5+2*17=39.