Answer:
Joe bought 20 bottles of regular coke.
Step-by-step explanation:
Let x represent number of regular coke and y represent number of diet coke.
We have been given that Joe bought 28 bottles of coke, some regular and some Diet coke.
We can represent this information in an equation as:


We are also told that regular coke is $1.25 and Diet is $1.50 altogether he spent a total of $37. We can represent this information in an equation as:

Upon substituting equation (1) in equation (2), we will get:







Therefore, Joe bought 20 bottles of regular coke.
Answer:
The Answer:
.
Step-by-step explanation:
x+2y=z
minus x both sides
2y=z-x
divide by 2 both sides
The Answer:

Answer:
D
Step-by-step explanation:
Move all terms not containing
x to the right side of the inequality.
Inequality Form:
x≤13
Interval Notation:
(−∞,13]
Answer:
perimeter = sum of all sides. this is same for polygons
rect: area l×b. peri = 2(l+b)
Step-by-step explanation:
15+5 = 20
20*2 = 40 cm is the perimeter of the given figure