Nobody goes around with lists of greatest common factors in their head.
When we need to know one, we grab the nearest pencil and work it out.
The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40 .
The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36 .
The common factors of 35 and 40 are 1, 2, and 4 .
The biggest one is 4 .
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➷ First calculate how many counters are 'not white'
12 - 7 = 5
We have 5 counters that are 'not white'
The probability of taking a white counter the first time is 7/12
For the next pick, there would be 1 less of the total counters as it is not being replaced
The probability of then taking a 'not white' counter is 5/11
The other way you could still get one white counter is:
The first counter (non white) probability would be 5/12
The second counter (white) probability would be 7/11
Multiply these values:
7/12 x 5/11 = 35/132
5/12 x 7/11 = 35/132
Add these two values together:
35/132 + 35/132 = 70/132
Your answer is 70/132
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➶ Hope This Helps You!
➶ Good Luck (:
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↬ ʜᴀɴɴᴀʜ ♡
Pretty sure its D. because it is not a one to one ratio but it doesn't necessarily have to pass through the origin.
So the first thing you're gonna wanna know is how many miles Brian is riding per day so
16/2= 8
Then you'll want to do the following steps
16 × 5 = 80
8 × 5 = 40
80-40 = 40
Sandi rode 40 more miles then Brian in five days
Hope this helped!
