Cracking The SAT Premium

B) 15% C) 20% D) 115% Here’s How to Crack It First, you need to get the data from the chart. In 2004, the cha ...

you know. 100 is the original amount, and the rate is 4%, or 0.04. The account is increasing, so you add the rate ...

= 0.28 or 28% Now apply this percent to the entire population of the league. Since 28% of the polled play ...

elements you’re averaging. Here’s what the Average Pie looks like using the simple average example we just g ...

10.Maria has taken four chemistry tests and has an average (arithmetic mean) score of 80. If she scores a 9 ...

Averages, and many other arithmetic topics, may be tested using charts and data. To find the numbers to avera ...

A) 6 n + 18 B) 5 n C) n + 18 D) n + 6 Here’s How to Crack It Plug in for the value of n. If n = 20 ...

Median sounds like middle. Missing the Middle? To find the median of a set containing an even number of items, t ...

The median for granite is 0.82. Therefore, the difference between the median amount of gold in the granite and limest ...

with the most diamonds on it. That line is 7.2, which means that when the lake was tested, the ...

used for two different questions. We’ll talk more about sets of questions later in this chapter. The ...

RATES Rate is a concept related to averages. Cars travel at an average speed. Work gets done at an av ...

25.Brian plans to complete a 100-mile bike race for charity. According to his registration materials, ...

Therefore, the first 60 miles took Brian 1.875 + 2 = 3.875 hours to complete. After resting for an ...

Probability of x = Every probability is a fraction. The largest a probability can be is 1; a probability of ...

Here’s an example: 17.A jar contains only red marbles and white marbles. If the probability of selecting a ...

26. At two high schools, those planning to attend college after graduation were polled. The sizes of the ...

Did the average SAT scores of the students at these two schools affect the answer at all? No! Watch out for extr ...

graders. = 51, which is (B). 5.How many more cookies were sold by the 10th grade than were ...

A coffee shop noticed that the outside temperature affected the number of customers who came to the shop th ...