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>
With some simple rearrangement, we can rewrite the numerator as
Then factorizing the difference of squares, , we end up with
Answer:
The answer is 45600 as 621 is less than 650 and should be rounded down.
I think the answer would be 16, Hope this helps