Ling bought 5 dishes and 9 glasses for $25.50. Each glass cost 50¢ cents more than each dish. How much did Ling spend the glasses

2 answers

$18
It might help more to know the process.

g = d +.50

5d + 9g = 25.50

Substitute d+.50 for g in second equation and solve for d. Insert that value into the first equation and solve for g. Check by inserting both values into the second equation.