Jackson has twelve pens. Emma has two times as many pens as Jackson. Lily has two times as many pens as Emma.

How many pens does Emma have?

How many pens does Lily have?

How many pens do Jackson, Emma, and Lily have all together?

How many chocolate chips will she need for 50 cookies?

How many more chocolate chips does she need to get to make all 50 cookies?

How many hours is it from 9:00 am to 4 pm?

If Carlos rides 12 miles per hour, how many miles would he ride all together?

If Alana has 6 pennies, how many does Charlie have?

How many pennies does Rebecca have?

How many slices of pizza will Mrs. Gilbert need for all 24 students?