The perimeter of a rectangle is =2 (w+L)
The difference (subtraction) of 6 times a number (x represents number) and 7. This gives us 6x-7. That is equal to five times (multiplication) the sum (addition) of the number, x, and 4. This gives you = 5(x+4) and combined gives us B, 6x-7=5(x+4).
You will need to add all of the hours and multiple by 8.60 that is going to give you the total of =202.1
The answer is 122. With any decimal lower than .5, always round down. Whit any decimal .5 or higher, round up.
Answer:
Package 3
Step-by-step explanation:
Package 1,
No. of plates = 5
Cost = $38.75
Cost of 1 plate =
Package 2,
No. of plates = 8
Cost = $58
Cost of 1 plate =
Package 3,
No. of plates = 14
Cost = $94.5
Cost of 1 plate =
The cost of 1 plate in package 3 is the least. It means she should buy package 3.