b= cost of haircut
Cost of haircut times 5% equals $4.60.
b * 5%= $4.60
5b= 4.60
divide both sides by 5%
b= $4.60/5% OR b= $4.60/0.05
If you have to also find the cost, b=$92 total cost for haircut.
ANSWER: To find the cost of the haircut, you can use either b= $4.60/5% OR b= $4.60/0.05
Hope this helps! :).