to just find the tip amount, multiple 24 by .15 (since percents are just the number divided by 100) to get the answer (3.60) or for the total multiple the amount by 1.(whatever the percent is), or in this case 1.15 to get the answer (27.60)
Answer:

Here,
denotes the required number.
Step-by-step explanation:
Let
denotes the required number that satisfies the following condition.
''seven times a number is less than or equal to a quantity that is 24 less than that same number''
Seven times a number is equal to 
Quantity that is 24 less than that same number is equal to 
Now find the inequality.
As seven times a number is less than or equal to a quantity that is 24 less than that same number,

Yes. Since 12 3/4 cups can be rounded up to 13 and 6 5/6 can be rounded up to seven, and 13+7 equals 20, so you would be able to put the additional amount if cups into the cooler.
Answer:
<h2><em>55.112</em></h2>
Step-by-step explanation:
This is correct all you do is add them up like this:
30.27
1.9
+22.952
________
55.112