Answer:
One of the solution is 2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Answer:4hrs per dollar
Step-by-step explanation:
$12=3hrs
? =1hr
12*1/3
=4
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Answ
$11.00
Step-by-step explanation:
A quick way to do this would be as follows: 1.10 ( 0.50*$20), or $11.00.
0.50($20) gives us the sale price (at half off); that's half of $20, or $10.
The total due is then $10 (item cost) plus $1 (tax), or $11