raullorenzo00 raullorenzo00

13-06-2017
Mathematics

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The jones family attends for $47.00 with two adults and three kids. The switch family attends when some friends are in town $74.75 with three adults and five kids. How much does the Ramirez family have to pay with four adult sons and four kids ?

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codyericlee codyericlee

13-06-2017

Set up a system of equations.
that means:
2a+3k=47
3a+5k=74.75

Which means

6a+9k=141
6a+10k=149.5
If we subtract we get that
-1k=-8.5
One kid costs 8.5
Plug this back into the equation and you get that 25.5+2a=47. That means adults cost 10.75

Kids: 8.5
Adults: 10.75

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