A vendor sells hot dogs, chips, and drinks. a customer buys 2 hot dogs, 5 chips, and 2 drinks for 10.50. the price of 1 hot dog is $0.50 more than price of 1 chips. 1 drink is $1.75 less than the price of 2 hot dogs. How do you find the cost of each item?
Call the prices of hot dogs
use the last two into the first:
into the second equation:
and into the third: