Answer:
-1
Step-by-step explanation:
Equation: 1/2x-2/3y
Swap out the x and y with the numbers.
1/2 x 4/1 -2/3 x -3
Solve.
2-3
-1
You could just put 0 for a and b.
It would work.
A. The population would be 120
You would find 20 percent of 100
To do that, you do 100× 0.2 and add that to 100
B. The population doubles
10×2= 20
20×2= 40, not 30
hope this helps!
Answer:
-1/4
Step-by-step explanation:
-3/8 - 7/8= 4/8=1/2
Answer:

Step-by-step explanation:
Given


Required
Determine the percentage of the shaded cubes
First, we calculate the number of boxes:

Express as multiplication


This implies that there are 20 cubes in the box.
The percentage of the shaded cubes is:





<em>30% were shaded</em>