Answer: To answer this question, substitute the number of tickets sold for the x value.
y = 3.4(15) + 43
Solve the equation by first multiplying the 3.4 and the 15.
3.4 x 15 = 51
This leaves your equation looking like this:
y = 51 + 43
The final step is to add he two integers together.
51 + 43 = 94
So the final answer is y = 94
Therefore, there will be 94 pizzas sold nightly if 15 coupons were issued.
Hope this helps... Plz mark me brainliest if i am correct... Stay safe and have a great weekend!!! :D