976
485 = 5 x 97 which are both prime numbers so your question has no answer other than 485 itself.
614 - 485 = 129
Oh, dude, rounding 491 to the nearest ten is like a walk in the park. You just look at the digit in the tens place, which is 9, and since it's greater than 5, you bump it up to the next ten. So, 491 rounded to the nearest ten is 490. Easy peasy!
0.484
485 is a composite number because it has more than two factors
385
425
480
85% of 485= 85% * 485= 0.85 * 485= 412.25
66.7% of 485 = 66.7% * 485 = 0.667 * 485 = 323.495
To find factors of 491, you can determine that 491 is a prime number, meaning it can only be expressed as 1 times 491. Therefore, the equation that equals 491 is 1 × 491. There are no other integer pairs that multiply to give 491.
100 + 391 = 491