Answer:
-9
Step-by-step explanation:
becuase 5/8/6=-9
Answer:14
Step-by-step explanation:To find the mean first add everything together and that will give you 84 then divide the total amount with the total amount of number which is 6 and your answer is 14.
Step one:20+18+16+15+12+3=84 Step two:find the total amount of numbers which is 6. Step three:divide 84÷6=14
The answer is the sixth grade class.
In order to find the answer, you have to divide each grade's total by the number of hours it took them to make that money, which will give you the amount each class makes per hour.
$170 / 55 = $3.09
$112 / 44 = $2.54
$192 / 66 = $2.91
