Question

an employer agrees to pay $5,000 for medical insurance and contribute an additional 5% of the employees'

Answer 1

Answer: $5,250

Explanation:

1) Half of 5000 is 2500. But that's 50%.
2) Divide the remaining value by 10. You now have 250, which is 5%.

It's a given rule in math that if you're working with the Powers of 10, by either multiplying or dividing them, all you need to do is add or remove some zeros.