Answer:
1 - 5i
Step-by-step explanation:
(-2 + 4i) + ( 3 -9i) = -2 + 4i + 3 - 9i
= -2 + 3 + 4i - 9i
= 1 - 5i
For this case, the first thing we must do is define variables.
We have then:
m: original quantity of merchandise sold (in $)
We then have the following idea:
(original amount) (percent) = new amount
The new amount is the amount that Jacqueline earns for 12% of the commission on sales.
We have then:

Clearing m we have:

Answer:
The equation that solves the problem is:

The amount she sold is:

Answer:
About 5 pizzas
Step-by-step explanation:
.50x75=37.5
1.25x25= 31.25
37.5+31.25=68.75