You are creating identical picnic baskets using 30 sandwiches and 42 cookies. What is the greatest number of baskets that you can fill using all of the food?
Question 20
20.
Use GCF or LCM to solve:
You have piano lessons every 4 days and guitar lessons every 6 days. Today you have both lessons. In how many days will you have both lessons again?
Question 21
21.
Use GCF or LCM to solve:
Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other blinks every 15 seconds. In how many seconds will they blink together again?
Question 22
22.
Use GCF or LCM to solve:
Carly is getting older and feels like she should donate her collection of stuffed animals to children who are less fortunate. She has 10 stuffed cats and 15 stuffed dogs, which she wants to divide into identical groups, with no stuffed animals left over. What is the greatest number of groups Carly can place her stuffed animals into?