13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Step-by-step explanation:
let, the ratio of boys and girls be 6x:5x
total student=550
now,
- 6x+5x=550
- 11x=550
- x=550/11
- x=50
<h3>number of girls who attended the assembly are 5x=5×50=2</h3><h2 /><h2>hope it helps.</h2>
Your question could be stated better but the answer is 56, just devide 900/16.
Answer:
Step-by-step explanation:
We know that the break even point is the point where the cost and the revenue equations intersect. So the break even point in this situation is:
C= R
<=> 20/3x+50 = 10x (with x > 0 and x is a whole number)
<=>
-50x -20 = 0
<=> x ≈ 5
If the company sells more than 5 items, it will have benefit
If the company sells less than 5 items, it will lose