Dolphinlover021 Dolphinlover021

20-09-2021
Mathematics

contestada

Please help me with my math problem 25 points for the step-by-step explanation.

A store sells small notebooks for $8 and large notebooks for $10. If you buy 6 notebooks and spend $56, how many of each size notebook did you buy?

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ferrybukantoro ferrybukantoro

20-09-2021

Step-by-step explanation:

S + L = 6 => L= 6-S

8S + 10L = 56

8S + 10(6-S) = 56

8S +60 -10S = 56

-2S = 56-60

-2S = -4

S = -4/-2

S = 2

=> S = small notebook = 2

L = large notebook = 6-2 = 4

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