72:80
9:10
Divide 72 and 80 by 8 to simplify it and get the ratio
(-1) to the power of an even number is +1.
(-1) to the power of an odd number is -1.
Since 50 is an even number, (-1)⁵⁰ = 1.
You can divide 45 by by 25 to get the pages per hour and it’s 1.8
Yuki pays tax at a rate 4.6% + 3.65% = 8.25%
The total tax on the handbag is
.0825 (220) = $18.15
