First divide the rocks per 3/4 of an hour by 3 and multiply by 4 to get the production per hour. then subtract the already moved rocks from the total job and divide the answer by 16 (the rocks moved per hour) getting the time needed to move the rest
Answer:
i'd like to say that the correct answer is the one at the very bottom; y=x+3
Answer:
3
Step-by-step explanation:
we want to get (n) alone
3n+17=26
subtract 17 from each side
3n=9
divide each side by 3
n=3
3
Answer:
286 students attended
148 non students attended
Step-by-step explanation:
Given




Solving (a): Number of students
Represent students with S and non students with N
So:
--- (1)
--- (2)
Make N the subject of formula in (1)

Substitute 434 - S for N in (2)

Open Bracket

Collect Like Terms


Divide through by -2

<em>Hence; 286 students attended</em>
Solving (b):
Recall that



<em>148 non students attended</em>
The answer for your problem is shown on the picture.