Tom buys a pen holder for $5 and 10 pens for $1 each. The sales tax for the whole purchase is $3. What percent was the sales tax
2 answers:
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Answer:
$0.21
Step-by-step explanation:
We can set up a proportion. Say x is the cost of 1 wristband:
Now, we cross multiply:
25x = 5.25
Solving for x, we see that x = 0.21.
Thus, the answer is $0.21.