Question #0066f

1 Answer
BillytheKid
Nov 16, 2017

depends...

Explanation:

Formula:
Adults (#x#) x$15/adult + Children (#y#) x$5/child = $55
#rarr 15x + 5y = 55#
#rarr 3x + y = 11#

#rarr y = 11 - 3x#

Therefore,
no adults: 11 - 0 = 11;
1 adult: 11-3 = 8;
2 adults: 11-6 = 5;
3 adults: 11-9 = 2;
4 adults: too expensive...

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