One-third of Olivia’s age, increased by 12, is equal to twice her age, decreased by 3. How old is Olivia?
2 answers
9-years-old.
1/3O + 12 = 2O - 3
9 = 1 2/3 O = 5/3O
Multiply both sides by 3/5.
9 = 1 2/3 O = 5/3O
Multiply both sides by 3/5.