The correct answer should be y=4x + 1d where x equals the number of personal pizzas, and d equals the number of drinks.
She didn't account for the number of drinks ordered for more than one meal.
Answer:
Gradient is change in y over change in x.
gradient = y1-y2 ÷ x1-x2
=7-11 ÷ 3-5
=-4 ÷ -2
=2
Answer:
x = - 1/45.
Step-by-step explanation:
I think 15 is the answer I’m not sure tho