2) At a local grocery store, three bags of peanuts and four bags of almonds cost $27 45.
1 answer:
Answer:
$7.60
Step-by-step explanation:
Use a linear function (again)
let x = peanuts
let y = almonds
3x+4y=27.45
5x+2y=24.05
Multiple 2nd equation by 2
3x+4y=27.45
10x+4y= 48.1
7x=20.65
x=2.95
Plug in x into either equation
10x+4y= 48.1
29.5+4y=48.1
4y=18.6
y=4.65
4.65+2.95=7.60
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