Answer:27
Step-by-step explanation:first you need 40 x 12 for the area for your gravel
so 480 divided by 18 = about 27
Use the formula 42600 ÷ (6.9 ÷<span> 100) to calculate this !
</span>42,600 ÷ (6.9 ÷ 100) = <span>617391.304348. Round this to 617391 since you can't sell a percentage of a book.
</span>
To check this, calculate 6.9 percent of 617391.304348. 0.069 · 617391.304348 = 42,600.
Do you know the subject that the problem is about ?
Answer:
300 per hr
Step-by-step explanation:
