Decimal DNA (Money & Measure)

There are 19 students. Each student needs 9 pencils.

There are 11 students. Each student needs 11 pencils.

There are 31 students. Each student needs 8 pencils.

There are 35 students. Each student needs 9 pencils.

There are 14 students. Each student needs 12 pencils.

There are 43 students. Each student needs 13 pencils.