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a garden store sold 8 bags of mulch and 3 bags of fertilizer for $24. The next purchase was for 5 bags of mulch & 5 bags of fertilizer. The cost of that purchase was $25. Find the cost of a single bag of fertilizer

Respuesta :

Answer:

Step-by-step explanation:

let cost of bag of mulch=x

cost of bag of fertilizer=y

8x+3y=24   ...(1)

5x+5y=25

divide by 5

x+y=5

multiply by 3

3x+3y=15   ...(2)

subtract (2) from (1)

5x=9

x=9/5=1.8

9+5y=25

5y=25-9=16

y=16/5=3.2

cost of one bag of fertilizer=$3.2

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