Question

Asked Jan 16, 2020

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In a cafeteria, 3 coffees and 4 donuts cost $10.05. In the same cafeteria, 5 coffees and 7 donuts cost $17.15. How much do you have to pay for 4 coffees and 6 donuts?

Step 1

Let x be the cost of each coffee and y be the cost of each donut.

Step 2

Then,

Step 3

Now solving these ...

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