Answer:
10
Step-by-step explanation:
substitute the given values into the expression
2(x + z) - y
= 2(6 + 3) - 8
= 2(9) - 8
= 18 - 8
= 10
55 minus 18 is 37 and then it would be 37,000 and then you just convert it so it is 37% of 100 (the answer is 37%)