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Marrrta [24]
3 years ago
14

Carla and Rob left a 15% tip after having lunch at a restaurant. The amount of the tip was $3. Carla’s lunch cost $12. Write an

equation you can use to find x, the cost of Rob’s lunch.
Mathematics
1 answer:
Burka [1]3 years ago
6 0

Answer:

0.15(x + 12) = 3

Step-by-step explanation:

The cost of the lunch before the tip was 12 + x

The tip is 15% of the cost of lunch: 0.15(x + 12)

The tip was $3

0.15(x + 12) = 3

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