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kodGreya [7K]
2 years ago
6

I’m having trouble understanding this can someone help please and thank you

Mathematics
1 answer:
Naddik [55]2 years ago
6 0

Answer:

A soda costed $3.50.

Step-by-step explanation:

<u>Step 1)</u> We know that a slice of pizza and a soda costs $9 (from Kate's order). With a burger added (Billy's order) it would cost $13.50.

So a burger would cost <em>$4.50</em>:

13.50-9=4.50

<u />

<u>Step 2)</u> We also know a burger and a soda costs $8. So we subtract the cost of the burger from Louis' order to find the cost of the soda:

8-4.50=3.50

Cost of soda: \$3.50

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I am joyous to assist you anytime.

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Step-by-step explanation:

this is a simultaneous equation question

f(1)=8  so  a(1) + b = 8

f(4)=17 so a(4) + b = 17

can you figure this out from here ???

if you can't below is how to solve it

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a + b = 8

4a+b=17

multiply the top equation by 4 and then subtract the bottom one from the top

4a+4b = 32

-(4a +b = 17)

3b = 15

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now plug 5 into the first equation

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there you go :)

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