We have the next information
he has $ 25.97
he wants to buy
one canvas that cost $14
and paint pens that cost $3.15 each
x is the number of paint pens
the inequality for this problem will be
the equal less than is that we can't buy over this quatity
we need to isolate the x in order to find how many paint pens Hamish can buy
Hamish can buy 3 paint pens