Divide total # kg by the # of parts it is divided in to.
=3 kg ÷ 5 parts
=3/5 kg
Hope this helps! :)
Answer:

Step-by-step explanation:
For this case we have the following profit function:

And we are interested on find the profit after selling 700 pretzels, so we just need to replace X=700 into the profit function like this:

The profit function is on the figure attached. We see that for 0<X<217 we have negative profits, and for X>217 we will have positive values for the profit. And also we can see that for X=700 we have a profit of approximately 169.
Answer:
Step-by-step explanation:
25%=40
25x4=100%
40x4=160 students
Answer:
55 years old
Step-by-step explanation:
1. Born 5 years after her husband
h -5 = c
twice as old as son
h-5 /2 = s
s = 25
h -5 /2 = 25
h-5 = 50
50+5 = 55