charles and wilma have diffrent internet providers. Charles pays $0.25 per gigabyte of data. wilma pays a flat fee of $20 and $0.05 per gigabyte How many gigabytes of data must each use for charles internet bill to be equal to wilma's interet bill

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .