At the city museum, child admission is $5.20 and adult admission is $9.10. on saturday, three times as many adult tickets as child tickets were sold, for a total sales of $975.00. how many child tickets were sold that day?
Substitute a into the first equation 9.1(3c) + 5.2c = 975 Simplify 27.3c + 5.2c = 975 Combine like terms by adding 32.5c = 975 Divide both sides by 32.5 to isolate the variable c c = 30
