When you write a function in the form 
, y is the dependent variable, and x is the independent variable.
So, if b is the independent variable, it means that we have to solve the expression for r.
To do so, we perform the following steps: start with
Add 12 to both sides
Divide both sides by 4:
So, we wrote the expression in the form 
, which means that r is the dependent variable and b is the independent variable, as requested.
Answer:
2480 new movies
Step-by-step explanation:
1) First you need to find out how much money the 400 older movies made.
2) Next subtract that amount from the amount of revenue that the wants.
3) Divide the amount of leftover money by the amount that a new movie costs to rent
This means that in order to reach the desired amount of revenue the store must sell 2480 new movies.
Answer:
12.5 cups of flour are needed
Step-by-step explanation:
Divide 20 dozen by 8 dozen to find the scale factor:
20 / 8 = 2.5
He needs 2.5 times more flour.
Multiply 5 cups by 2.5:
5 x 2.5 = 12.5 cups of flour are needed.
Hopefully this helps!
Answer:
Sales of 35 leather wallets will give profit of $192.5
Step-by-step explanation:
If sales of 20 leather wallet gives $110
Sales of 35 leather wallet gives x
Cross multiply
20x = 110 x 35
20x = 3850
Divide both sides by 20
x = 3850/20
x = $192.5
