Answer:
$66.70 for 10 sets
Step-by-step explanation:
Multiply the cost of 1 set by the number of sets wanted
$6.67 * 10
66.70 for 10 sets
Answer:
r = -140
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable. Not sure if this was the answer you were looking for.