The average is pretty simple to find. Add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
The answer to this specific question can be modeled as 
. After simplifying everything, you would get x 
77, so Justin has to get at least a 77 to get a 75 average.
Answer:
185
Step-by-step explanation:
11×35=385-200= 185
He rode 80miles because 6 hoursis a long time to only make it 80 yards,feet,or inches
Answer:
1/12
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
90+2x+x=180
3x=90
x=30
