Answer:
10
Step-by-step explanation:
(6x-5)+(12x+5)=180
18x=180
x=10
65 miles per hour I believe because 487.5 divided by 7.5 is 65.
Answer:
M=3*2
M=6
Step-by-step explanation:
I knew that 9 plus 2 equals 11 so I add 5+1+1 which equals 7. Then I add the one which equals 71