Mathematics
alexwalker3
2016-09-27 06:55:36
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 ?
ANSWERS
IrishMarian149
2016-09-27 09:41:35

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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