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kirill [66]
3 years ago
8

Jerry went the store to buy cat food, but when he got there, the brand name

Mathematics
1 answer:
GenaCL600 [577]3 years ago
7 0

Answer:

the regular cat food costs $2.95

the wheat cat food costs $3.45

Step-by-step explanation:

so what i did was use the elimination method by setting up 2 equations r is for regular food and w is for wheat food

3r-2w=1.95

2r+2w=12.80

the way this method works is simply combining like terms into one equation

if you notice, the wheat food cancels out so we end up with

5r=14.75

then dividing 14.75 by 5 gets you r

r=2.95

you then plug in r back into one of the equations from before

2(2.95)+2w=12.8

then you solve for w

5.9+2w=12.8

2w=6.9

w=6.9/2

w=3.45

r=2.95

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