Probeware is useful for obtaining many measurement in rapid succession, a function that an analog tool can not perform. The answer is D.
To find 25x3, you could just add 25 3 times like this 25+25+25. But since 4 quarters equaling 25 cents each is 100 cents, 3 quarters is 75 cents. That being said, 25x3=75
Answer: 2/15
Explanation :
1 - (1/5 + 2/3)
1 - (3/15 + 10/15)
1 - 13/15
15/15 - 13/15
= 2/15
6 is in the ten thousand place
To show that they used the same amount of ribbon you could take the 1 yard and divided into different sized equal groups.
1 yard divided by four equals 1/4 yard for each of four ribbons.
1 yard divided by six equals 1/6 yard for each of six ribbons.
You could have ribbons the size of 1/4 our yard and 1/6 yard, but you would have different amounts of each.
