Answer:
9
Step-by-step explanation:
It could be any 2 numbers which multiply to equal 12. It could be 1×12 2×6 3×4 4×3 6×2 or 12×1
The class needs to sell at least 20 tickets
Let x be the number of tickets that need to be sold in order to add up to $1000
Using the equation $700+$15x>=$1000
Subtract 700 from both sides and then divide each side by 15 to get 20.