Answer:..Step-by-step explanation:
For this case we have that the variable "x" represents the number of hours that Leticia uses to take care of children on Saturday.
IF on Friday I use 4 hours ($ 8 each) and on Saturday "x" hours ($ 8 each) obtaining a profit of $ 72, we have the following equation:

We apply distributive property:

So, on Saturday she spent 5 hours.
Answer:

Answer:
x = 0.27
Step-by-step explanation:
Given:
x÷0.4=2 1/9 ÷3 1/6
To Find:
x = ?
Solution:
First we will see what is

Now the final equation is

x = 0.27
Answer:
-5
Step-by-step explanation: