Answer:
(b)
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
5 adding 5=10
Reapuesta: 8d = 80u
Tenemos que una decena equivale a 10 unidades.
Debemos multiplicar las 8 decenas por el valor de una sola decena.

8 decenas equivalen a 80 unidades.
Espero que te sirva, salu2!!!!
Hope this helps? if not maybe someone else will answer
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.