How many sets of 4 consecutive numbers are there such that the product of the numbers is less than 1

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls