Alice, Bob and Carl are jumping up a large flight of stairs. Alice jumps two steps at a time, Bob jumps four steps at a time, while Carl jumps five steps at a time.
on which step will all three land together
for the first time? (Assume they all begin at the foot of the
stairs, i. e. on step 0.)
what is the largest possible number of students in the group!

Explain the answer and how to do it

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

(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 .