9 - 2(7 - 8)
9 - 2(-1)
9 - (-2)
11
Ummm not to freak you out but what’s that in the background?
Answer:
It is proportional
Step-by-step explanation:
The pool is being filled at a constant rate.
Answer:
-3
Step-by-step explanation:

For this case we define the following variables:
x: Number of party dresses
y: Number of suits
You have 30 hours per week to cut, that is, the first equation is given by:

It is also known that 25 hours per week are available for sewing, that is:

It has a system of two equations with two unknowns, solving we have:

Multiplying the second equation by -1:

Adding up:

Substituting x in the first equation:

Clearing and:


Thus, per week, the designer can produce 5 party dresses and 5 suits working at her maximum capacity.
Answer:
5 Party dresses
5 Suits