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Difficulty: MediumDecimal Operations and Currency Word Problems

A combat medic is restocking his medical kit. He purchases 55 rolls of medical tape for $2.45\$2.45 each and 33 bottles of antiseptic for $4.20\$4.20 each. If he pays with a $50.00\$50.00 bill and there is no sales tax, what is the exact amount of change he receives?

Answer: 25.15 $

Answer

25.15
The correct answer is found by calculating the total cost of all items ($12.25+$12.60=$24.85\$12.25 + \$12.60 = \$24.85) and then subtracting that total from the $50.00\$50.00 payment amount to find the change due ($50.00−$24.85=$25.15\$50.00 - \$24.85 = \$25.15).

Step-by-Step Solution

1
Calculate the total cost of the medical tape.
$12.25
Multiply the quantity (5) by the unit price ($2.45).
2
Calculate the total cost of the antiseptic.
$12.60
Multiply the quantity (3) by the unit price ($4.20).
3
Add the costs of the tape and antiseptic to find the total purchase amount.
$24.85
12.25+12.25 + 12.60 = $24.85.
4
Subtract the total purchase amount from the payment amount.
$25.15
50.00−50.00 - 24.85 = $25.15. This is the exact change received.

Key Concept

Decimal Operations and Currency Word Problems
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Topics

Decimal Operations and Currency Word Problems

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