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15 votes
What does the solution to the system c,p reprent in this situation 5c+4p=18.40
2c+4p=11.20

User Daniu
by
7.9k points

1 Answer

11 votes

Answer:

4 and 4/15=c. 2 and 2/15=p.

Explanation:

I am younger than 12 i dont have much experience; done 2 or 3 problems like this...

first lets make it simpler...

2c+4p=11.20 is the same as c+2p=5.6

then subtract one from the other and you get 4c+2p=12.8

simplify again 2c+p=6.4

so the ratio of c to p is 2:1. Multiply 6.4 by 2/3 to get what c is... 64/15

64/15 is 4 and 4/15. then divide by 2 to get what p is so 64/15÷2=32/15 which is 2 and 2/15.

User Alexandre Lara
by
8.3k points

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