algebra 1
posted by jessie .
429 people attended a play. The admission was $1 for adults and $0.75 for kids. The receipts from the play totaled $372.50. How many adults and how many kids went to the play?

a+k=429
1.00a + 0.75k = 372.5
429k + .75k = 372.5
.25k = 56.5
k = 226
so,
a=203