Answer:
$7.87
Explanation:
Step one:
given data
For each costume, he needs 2.125 yards of fabric
cost of Fabric is $3.49 a yard
Required
The total cost of making the costume
Step two:
Hence the total cost of fabric needed is = 2.125*3.49= $7.42
sales tax is 6%
= 6/100*7.42
= 0.06*7.42
=$0.45
Therefore total cost of the costume is = 7.42+0.45= $7.87