4 because it is the only number on the x side of the table that you can get a single value for y from
Answer:
You subtract the percentage by the shirt costs. And then you'll have your answer. Then add on the sales tax.
-2y + 6 < 10
Subtract 6 on both sides
-2y < 10
Divide by -2 on both sides
y > -5
Hope this helps! Just in case you don’t understand the final answer, when dividing or multiplying by a negative number you flip the sign!
The range is 17 because the highest score (95) minus the lowest score (78) is 17
