In a 100 students enrolled in various subjects Algebra, Chemistry and Physics. 22; Algebra and Chemistry 34; Algebra and Physics 37; Chemistry and Physics 36; Algebra 68; Physics 65; How many are enrolled in Chemistry?

The following is known about three numbers: Three times the first number plus the second number plus twice the third number is 5. If 3 times the second number is subtracted from the sum of the first number and 3 times the third number, the result is 2. If the third number is subtracted from 2 times the first number and 3 times the second number,the result is 1.(b) Find the numbers using ??????′? ?????

Two problems in Mathematics came out in the latest ATBulSU about Algebra and Analytic Geometry. How many were able to solve both problems if only 55% of the examinees solved the Algebra problem and 70% solved the Analytic Geometry problem. The total examinees is 100. Your answer

A purse contain 63 currency note,all of which are either #500 or #1,000 notes.the total value of the currency notes is #38,500.how many#500 notes are in the purse

At some time in the now distant past, there was a party with 100 guests. The host had bought exactly the same number of drinks for every guest, and for public health reasons, that number was less than seventy-five. During the party, it turned out that seventeen of the guests did not drink at all. The remaining 83 guests all had the same number of drinks, and afterwards, there were 21 drinks left. How many drinks had the host bought? Explain why your answer is the only possible one. Hint: modular arithmetics

A license plate is to consist of two letters followed by four digits. Find the number of license plates possible if the first letter cannot be Z, and repetition is permitted.

five hundred forty-eight runners participated in a recent race. Twenty-six runners did not finish the race. Half of those who did finish completed the race in less than 2 hours. Which of the following is the number of runners who completed the race in less than 2 hours? a.  274 b.   248 c.   261 d.   522

Charlie has 4 pairs of shoes, 12 shirts, 5 pairs of pants, and 3 watches. How many days could he go without wearing the same combination of these four month?