Frances left a 10% tip on a meal. Including the tip, its cost was $24.20. What was the cost of the meal before the tip?
The total is equal to the cost of the meal plus the cost of the meal times the ten percent which would equal the tip.
The meal itself cost
This is an example of reverse percentage because you know the value AFTER an increase of
You can use direct proportion to compare the corresponding values and percentages.
The cost of just the meal,
Once a tip of
We know that is