Danika has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long?
A) 1ft 4in B)9ft 4in C)8ft 6in D)2ft 6in
All you need to saw off is 2' 8" inches to make the board that long. However:
4 yards = 12'
11' 12" - 2' 8" = 9' 4"
PsyDAG already answered quite neatly and then Ms. Sue the lazy comes in and wants to redirect the student to a question she answered lazily. Sad.
Unfortunately, you didn't notice that PsyDAG and I posted at the same time.
where did they get the 11ft?
11 feet 12 inches, makes it easier to do the math since you're subtracting feet and inches
To answer this question, we need to convert all measurements to the same unit. In this case, we can convert yards to inches since we are given the length in inches (feet and inches).
First, let's convert the length of the board from yards to inches:
1 yard = 36 inches
So, a board that is 4 yards long would be 4 * 36 = 144 inches long.
Next, let's convert the length "2 feet 8 inches" to inches:
1 foot = 12 inches
2 feet = 2 * 12 = 24 inches
So, "2 feet 8 inches" is equal to 24 inches + 8 inches = 32 inches.
Now, we can calculate how much needs to be sawn off by subtracting the desired length from the actual length:
144 inches - 32 inches = 112 inches.
To convert 112 inches back to feet and inches:
12 inches = 1 foot
So, we can divide 112 inches by 12 to get the number of feet:
112 inches / 12 inches = 9 feet remainder 4 inches.
Therefore, the correct answer is B) 9ft 4in.