Answer:
$4.86
Step-by-step explanation:
we must found cost of 1 slice of cheese first.
11 slices of cheese are $2.97
1 slice of cheese is $2.97÷11
18 slices of cheese are $2.97÷11×18 = $4.86
or you can calculated 1 slice of cheese
2.97÷11 = $0.27 and 0.27×18 = $4.86
both methods are correct