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Answer this ASAP Sandra bought 9 I teams from Walgreens for a total of $54.Bottles of hand sanitizer cost $8 each and face mask cost $3.50 each. How many bottles of hand sanitizer did she buy?
Write the equations:

Respuesta :

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Answer:

5 bottles

Step-by-step explanation:

s + m = 9

8s + 3.5m = 54

Rearrange and substitute:

m = 9 - s

8s + 3.5(9 - s) = 54

8s + 31.5 - 3.5s  = 54

4.5s = 22.5

s = 5

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