Help asap please there is so much headache from this question
thanks :)
At the start of the day, there are 615 pens in a container.

By lunchtime, 138 are left.

How many pens were taken?

Help asap please there is so much headache from this question thanks At the start of the day there are 615 pens in a container By lunchtime 138 are left How man class=