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Snezhnost [94]
3 years ago
12

Algebra...George bought 2 identical couches and 3 identical chairs. A couch cost twice as much as a chair. He spent $270 more on

th ecouches than on the chairs. How much did he spend altogether
Mathematics
1 answer:
loris [4]3 years ago
8 0

Answer:

$1890

Step-by-step explanation:

x= couches

y=chair.

x=2y

2x=3y+270

2(2y) or 4y=3y+270

y=270

x=540

2(540)+3(270)=1890.

Hope this helps :D

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Mr. Smith wants to order some pizza and cheese pizza cost $11 and pepperoni pizza cost $12.50 if you bought 13 pieces total and
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Answer: Mr Smith bought 7 pepperoni pizza

Step-by-step explanation:

Step 1

cost of cheese pizza  =$11

pepperoni pizza cost =$12.50

let number cheese pizza be represented as c

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such that the total number of pizza  bought which equals 13 can be represented as

c+ p= 13

and total cost of both pizza  can be expressed as

11c+ 12.50p =153.50

Step 2 Solving

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By elimination method, Multiply equation 1 by 11 and subtract the new equation from equation 2

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Therefore Mr Smith bought 6 cheese pizza and 7 pepperoni pizza

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2 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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