Step-by-step explanation:
Since we have given that
Amount of pay rate =$21
If she marked up by 78.7% , so it becomes

So, our amount for pay rate becomes

Now, he said he made a profit of 10%,so it becomes

So, our new pay rate becomes

This is the step through which we can get $41.28.
Answer:
B
Step-by-step explanation:
We have to look at the full dot
Answer:
Yes
Step-by-step explanation:
4.67 is 1.67 more than 3