Answer:
-2c - 4w
Step-by-step explanation:
Combine like terms (-8c and 6c are alike and w and -5w are alike)
-8 + 6 = -2
1 + -5 is -4
Put the variables back together and put it into an expression.
Answer:
$7.50
Step-by-step explanation:
4 bottles of water cost $10, meaning that each bottle costs $2.50 (10/4 = 2.5). If 3 bottles are bought and each bottle costs $2.50, the total cost is $7.50 (3*2.5 = 7.5).