Kenny ordered guitar strings for Glenn’s Guitar Shop. The premium guitar strings are $4. 50 apiece. The standard guitar strings are $1. 50 apiece. The bill smeared in the rain, but Kenny knows he ordered a total of 80 strings for $225. Let x = the number of premium strings. Let y = the number of standard strings. X y = 80, 4. 50x 1. 50y = 225 How many of each type of string did Kenny order? He ordered premium strings. He ordered standard strings.