Answer:
<u><em>1st equation:</em></u>

Simplify the numerator


(zero divided by any number (other than zero) is zero)
1st equation is correct
<u><em>2nd equation:</em></u>

This is because a negative number divided by a positive number is a negative number.
So,
is incorrect.
2nd equation is incorrect
50,000 ÷ 2,500 = 20 bolts
2,500 ÷ 2,500 = 1 ton
20 bolts: 1 ton
20 × 500 = 10,000 more bolts
Hope this helps!
24 pens divided by 2 boxes equals 12 pens per box.
You need to find the prime factors of each term in order to find the greatest common factor.
The answer is 3.