Problema Solution
Shelly is 3 years older than Michele. Four years ago the sum of their ages was 59. Find the age of each person now. (Use the information in the table below showing algebraic expressions in terms of x.)
Answer provided by our tutors
let
s = the age of Shelly now
m = the age of Michele now
Shelly is 3 years older than Michele:
s = m + 3
Four years ago the sum of their ages was 59:
(s - 4) + (m - 4) = 59
by solving the system of equations:
s = m + 3
(s - 4) + (m - 4) = 59
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click here to see all the system of equations solution steps
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s = 35 years
m = 32 years
Shelly is 35 years old.
Michele is 32 years old.