Compact and oversized tires are produced on two different machines. The table shows the number of each type of tire produced, y, depending on the number of hours, x, the machines work.
Answer:
OPTION B: 57x - 3
Step-by-step explanation:
Total tires produced is the sum of number of over-sized tires and the number of compact tires.
So, we have when x = 1, tires, y = 23 + 31 = 54
When x = 2, total tires y = 48 + 63 = 111
When x = 3, total tires y = 73 + 95 = 168
When x = 4, total tires y = 98 + 127 = 225
We can substitute the options to check which one will be the correct representation.
Option A: 55x - 1
When x = 1, y = 55(1) - 1 = 54
When x = 2, y = 55(2) - 1 = 109 [tex]$ \ne $[/tex] 111
So, this option is eliminated.
Option B: 57x - 1
When x = 1, y = 57(1) - 3 = 54
When x = 2, y = 57(2) - 3 = 111
When x = 3, y = 57(3) - 3 = 168
When x = 4, y = 57(4) - 3 = 225
These values exactly match with the values from the table. So, Option B is the right answer.
Option C: 110x - 2
When x = 1, y = 110(1) - 2 = 108 [tex]$ \ne $[/tex] 54
Hence, this option is incorrect.
Option D: 114x - 6
When x = 1, y = 114(1) - 6 [tex]$ \ne $[/tex] 54
Hence, this option is also eliminated.
Option B is the required answer.
Answer: D
Step-by-step explanation:
the person above me was on the right track but needed to multiply the sum of the y values by 2. Therefore the answer should be D