How would I solve this?ASB sells tickets to a dance for $10 to students who have an ASB sticker and $12 to those who don't have an ASB sticker. 160 tickets are sold and $1720 is raised. How many of each are sold?
1 Answer
Explanation:
We can set up a pair of simultaneous equations from the question:
Let
Let
1)
2)
We can multiply the first equation by
3)
Then, subtract equation (3) from the equation (2):
Therefore,
Substitute
so
Then, check your answer (optional):