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Greeley [361]
3 years ago
5

Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays

$81 for 12 admissions and 7 skate rentals. Let x represent the cost of admission and let y represent the cost of a skate rental. Is there enough information to find values for x and y? Explain.
thxs
Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

Multiply the second equation by 3.

3(12x+7y36x+21y=81)=243

Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

Evgen [1.6K]3 years ago
7 0

Answer:

Step-by-step explanation:

this is how to be focused in class

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