Final answer:
Laurie spent a total of $52.14 on brown bread trim, black lace, and Gold ribbon before tax. The tax amount would need to be calculated by the provided tax rate to determine the total cost including tax.
Step-by-step explanation:
Laurie bought 4 1/4 yards of brown bread trim, 7 4/5 yards of black lace and 13 1/2 yards of Gold ribbon. She paid $2.40 for each yard of trim or lace and $1.72 for each yard of ribbon. First, convert all the mixed fractions to improper fractions. This will give you 17/4 yards for the brown bread trim, 39/5 yards for the black lace, and 27/2 yards for the Gold ribbon. Multiply the yardages by the cost per yard, and add all three amounts to get the total cost.
Here is a breakdown of the calculation:
(17/4) * $2.40 = $10.2
(39/5) * $2.40 = $18.72
(27/2) * $1.72 = $23.22
Total cost (before tax) = $10.2 + $18.72 + $23.22 = $52.14
If tax needs to be included, you would need to know the tax rate. Multiply the total cost before tax by the tax rate then add it to the total cost before tax to get the total cost including tax.
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