3 years ago

What does common factors mean?

1 answer:

6 0

Factors are the numbers you multiply together to get another number. when you find the factors of two or more numbers, and then find some of the numbers (factors) are the same (common) you have common factors.

example: 12 and 36

12: 1x12, 2x6, 3x4
36: 1x36, 2x18, 3x12, 4x9, 6x6

the common factors in these numbers are 1, 2, 3, 4, 6 and 12

hope this helped you out!

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Is the sum of two integers always greater than the difference between them? Why or why not?

Sauron [17]

Yes because the gap is one less than the bigger of the two integers, plus you are adding a little bit more to the bigger integer so the sum will always be bigger than the difference.

4 0

3 years ago

If a car can travel 220 miles on 12 gallons of gas, how many gallons

vampirchik [111]

Set up a ratio of known to unknown:

Let X = the amount of gas needed for 500 miles:

220/12 = 500/x

Cross multiply:

220x = 6000

Divide both sides by 220:

X = 6000 / 220

x = 27.27 gallons (round answer as needed).