Answer:



Step-by-step explanation:
Given
Billy's Marble = x
Required
Determine a,b and c
a. Charlie's Marble
"5 more" means 5 + or + 5
Since Billy's Marble is represented with x, then Charlie's Marbles will be

b. Danny's Marbles
Having "8 fewer" means we have to subtract 8 from Billy's marble;
Since Billy's Marble is represented with x, then Danny's Marbles will be

c. Eric Marbles
Having "three times as " means we have to multiply Bill's marble by 3;
Since Billy's Marble is represented with x, then Danny's Marbles will be


An average of 6 hours per day
So take the given value for question one, 210, and realize that it increases by 10%. What is 10% of 210? If you don't know, basically 10% = 0.1 so multiply 210 by .1 and add that to 210. leave a comment if you can't figure it the answer to either of them and I'll help more.
If you divide them together then you get the answer which is 10/6 or 5/3
Answer:-10.25
Step-by-step explanation:
Just because ;) -10.25= -10.00