The length of a rectangular deck is 3 times its width. If the deck’s perimeter is 32 feet, what is the deck’s area?
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Hi there!
Factor by grouping:
Let y=0. Apply the zero product property:
AND
I hope this helps!
Answer:
a) 21
Step-by-step explanation:
If the columns are labeled a, b, c, d left to right, it appears that we have ...
The value of M is 21.
_____
Questions like this require that you try different combinations of operations on the numbers shown to see if you can find a relationship. Here, the left column is a perfect square, so that is a clue. The difference of the numbers in the middle columns is a factor of the number in the right column -- another clue. It takes a certain amount of creative thought and familiarity with arithmetic facts. There is no "step-by-step" for a problem like this.