ANSWER:
x = -3
Step-by-step explanation:
55+54+x+74=180
109+x+74=180
183 + x = 180
x = -3
Answer: <u>3 hours and 20 minutes</u>
Step-by-step explanation:
3x + 2(3)x = 30
3x + 6x = 30
9x = 30
9/9 = 30/9
x = 3 1/3 hours
It would be be because they didn’t distribute the 8n to the 20
Answer: 11.2 because I know trust me. I did a worksheet with this same question and got 11.2 and it was correct.