One-third of a number......1/3n
increased by 12....+ 12
(1/3)n + 12
123 x 47 equals 5781. 123 x .47 equals 57.81. The difference is the decimal is moved to the tenth place in the second equation
Price of 3 shirts=$18*3=$54
Price of 2 pair of socks=2*$3.99=$7.98
Price of a pair of slack=$45
Total amount- $54+$7.98+ $45-$106.98
Sales tax rate = 8.5%
8.5% of total amount-8.5% of $106.98=
(8.5/100)*106.98-9.0933
Total amount Rick paid=$106.98+9.0933=$116.0733
Regards