posted by Diana on .
Penelope bought 17 large packs and 5 small packs of identical pens. When she got home, her little sister opened all of the packages on the floor. If a total of 234 pens were on the floor, how man pens did a large pack contain?
Here we have
L=Size of large packs, L∈ℕ
S=Size of small packs, S∈ℕ
with the conditions
The integer solutions to L are:
So make your choice according to the constraints from the following: