The Badys and their maid, Alice, took a trip to Hawaii for their summer vacation. The travel agent told Ike that the trip would cost $210 for each child plus another $315 per adult. According to Ike Bady’s credit card receipt, the trip cost a total of $2205 for all 9 of them. Find the number of adults and children on the trip by writing a system of equations.

Question

The Badys and their maid, Alice, took a trip to Hawaii for their summer vacation.  The travel agent told Ike that the trip would cost $210 for each child plus another $315 per adult.  According to Ike Bady’s credit card receipt, the trip cost a total of $2205 for all 9 of them.  Find the number of adults and children on the trip by writing a system of equations.

Reiny · Accepted Answer

children --- x adults -----9-x 210x + 315(9-x) = 2205 solve for x , should be straightforward. BTW, $315 for a trip to Hawaii? Time to update that Math textbook.