Well you find how much the error was and divide it by the amount he predicted.
30/230= 0.13 0.13=13%
Answer:
$2.20
Step-by-step explanation:
The tip is 10% of $22, or 0.1 * 22 = 2.2
So $2.20 (we can add a hidden 0 on the end)
Answer:
Cement costs vary from approximately $50 to $75 per ton or 2.5 to 3.75 cents per pound.
Step-by-step explanation:
Answer:
<h2>8h 35min</h2>
Step-by-step explanation:

Answer:
13.1
Step-by-step explanation:.