Answer: Roberto has 2 DIMES and 6 NICKELS.
Step-by-step explanation:
<em><u>Equation 1:</u></em> 2 * 10 = 20 cents (Dimes)
<em><u>Equation 2:</u></em> 6 * 5 = 30 cents (Nickels)
<em> </em><u><em>Solution:</em></u><em> </em>30 + 20 = 50 cents
The answer is 28 %, this is the percent of the class with blue eyes.
Well you find how much the error was and divide it by the amount he predicted.
30/230= 0.13 0.13=13%
K is centroid of the the triangle => The answer is 7.5
