Susan’s parents have offered to help her pay for a new computer. They will pay 30% and Susan will pay 70% of the cost of a new computer. Susan has saved $550 for a new computer. With her parents help, how expensive of a computer can she afford?
You can answer this question using ratios. You can use cross product to solve this proportion. Please see the attached picture for the work. Her parents will pay about $235.71 and she has $550, so she could buy one for $785.71.
