At an ice cream parlor, ice cream cones cost $1.10 and sundaes cost $2.35. One day, the receipts for a total of 172 cones and sundaes were $294.20. How many cones were sold?
88 ice cream cones and 84 sundaes
Let me assign i for number of ice cream cones sold.
Number of sundaes sold is
Now put this into equation:
i is the number of ice cream cones sold.
Let the number of ice cream cones sold were
of sundaes sold were
and one sundaes costs