Ratios don't have to be "per" something, while rates are "per" something.
Ratios compare 2 or more values, as well as rates.
D + t = total earnings
$3h + t = total earnings
$3h + $22 = total earnings
Fill in h as however many hours she is working.
Example: She worked for 8 hrs and got $22 in tips.
$3(8) + $22 = ?
$24 +$22 = $46
Answer:0.4
Step-by-step explanation: