Suppose there are 20 people in a room and the mean amount of cash held by these 20 people is $14.50 per person. If two people enter the room carrying $4.00 and $5.00 respectively, what does the mean amount of cash in the room become?

A restaurant bill is $44.89. Estimate what a 20% tip would be.

Each student in Mr. Farmers class took 42 tests this school year. Mr. Farmer has 8 students in his class. Which pair of expressions shows two ways to determine the total number of tests Mr.

4.5 (4 - x) + 36 = 202 - 2.5 (3 + 28)

Write the number as a product of prime factors 126

100 people responded to a survey about their ice cream preferences, and listed below are the results. 55 liked vanilla 30 liked chocolate 40 liked strawberry 10 liked both vanilla and strawberry 10 liked both strawberry and chocolate 15 liked both

Write an explicit rule for the sequence that models this situation: the wolf population in a local wildlife area is currently 12.

What does it mean if a solution has a ph number of 3, 12, 2, 7, or 9?

you are preparing breakfast platters for teacher appreciation week you are serving an equal number of muffins and bagels the muffins come in packs of four in the bagels come in packs of six what is the least number of muffins and bagels you need to

I have a chart. The top bar has the numbers, 150,300,450,600,750, and 900. The bottom has the numbers 10,30,45,60,75, and 90. I need to find the relationship between them, but I can't.

The sum of 2 times a number and 5 is 11