Question:
The number of books sold was 4 more than the number of pens sold at a sale. Aaron collected $1006 altogether.
(a) How many pens was sold?
(b) How much money was collected from the sale of his books?

Solution:

Empowering Students and Parents with Solutions
The number of books sold was 4 more than the number of pens sold at a sale. Aaron collected $1006 altogether.
(a) How many pens was sold?
(b) How much money was collected from the sale of his books?