Problema Solution
heathers sister is four less than twice her age.the sum of their ages is 32. how old is each sister.
Answer provided by our tutors
let
h = the age of Heather
s = the age of Heather's sister
Heather's sister is four less than twice her age:
s = 2h - 4
the sum of their ages is 32:
h + s = 32
by solving the system of equations:
s = 2h - 4
h + s = 32
we find:
h = 12 years
s = 20 years
click here to see the step by step solution of the system of equations:
Heather's sister is 20 years old.