Answer: a) $26.55/year
b) $64.13/year
Step-by-step explanation:
a) $7.64 . 1 ft³ . 50 gal . 1 load . 52 week = $26.55
100 ft³ 7.48 gal 1 load 1 week 1 year year
The total cost per year is $26.55
b)$7.64 . 1 ft³ . 17.2 gal . 1 shower . 365 days = $64.13
100 ft³ 7.48 gal 1 shower 1 day 1 year year
The total cost per year is $64.13