To convert a mixed number into<span> a </span>fraction:First, <span>multiply the </span>whole number<span> by the denominator (the bottom part), and add the result to the numerator (the top part). That's how you convert a mixed number into a fraction I hope that helped. Also if you are in college don't you think you should know that? LOL :D Glad to help.</span>
Answer:
1. So $7 per hour
For 24 hour =7×24= $168
28-24=4
4×7=28
168+28=$196
or
For 28 hour
7×28
= $196
2. 7×112
=$784
3. To find the difference subtract
784-196=$588
The answer to your problem is -2.1.
Answer: What percentage of time did she spend practicing ballet?