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19-09-2020
Mathematics

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On Monday, Luis picked up five scones and six large coffees for the office staff. He paid $23.91. On Tuesday, Rachel picked up two scones and seven large coffees for the office staff. She paid $17.89.

What is the cost of one scone?

What is the cost of one large coffee?

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meredith48034 meredith48034

19-09-2020

Answer:

Step-by-step explanation:

5s + 6c = 23.91

2s + 7c = 17.89

10s + 12c = 47.82

-10s - 35c = -89.45

-23c = -41.63

c = $1.81 for a large coffee

2s + 7(1.81) = 17.89

2s = 5.22

s = $2.61 for a scone

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