So, possible numbers divisible by 10.
There are 10 of them in the first 100 positive integers.
10, 20, 30, 40, 50, 60, 70, 80, 90, and 100.
And then the ones divisible by 3. There are 33.
3, 6, 9, 12, 15, 18, 21.. you get my point.
However, three of those are shared, 30, 60, and 90.
So basically add the two together and subtract three for the shared ones.
10 + 33 - 3 = 40
So there are 40 possibilities, so there is a 4/10 chance that the number is divisible by 10 or 3, so a 6/10 chance that the number is not divisible.
Or 3/5.
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Answer:
2530
Step-by-step explanation:
First Round each number to the nearest 10s
503 into 500
472 into 470
499 into 500
539 into 540
522 into 520
then add the numbers we made
500+470+500+540+520=2530
the real answer is 2535 so its close
Answer:
the first one is proportional because you could multiply by 4
Answer:
Step-by-step explanation:
