PAX Exam MATH practice problems with Complete Solutions

a tank has a capacity of 25 cubic meters. given that one thousand liters is equivalent to one cubic meter, what is the quantity of water in the tank in liters if the tank is half full? - ANSWER 12,500 liters 72 is 45% of what number? - ANSWER 160 used the equation .45n=72 to solve very 5 minutes, someone is diagnosed with lung cancer. how many people are diagnosed with lung cancer in 1,440 minutes? - ANSWER 288 divide 1400 by 5 to solve 25% of a number is 36. what is 16% of the number? - ANSWER 23 use .25n=36 then do .16x144= joyce runs 10 miles in 60 minutes. How much longer does it take her to run 12 miles? - ANSWER 12 minutes solve by doing 60/10 then 2X find the value of x by solving the proportion 21:63 :: 24:x - ANSWER 72 convert to 21/63 = 24/x simplify to 1/3 = 24/x simplify to 1/3x = 24 simplify to x/3 = 24 multiply by 3 on each sides x = 72 solve the following by dividing and reduction to the lowest common denominator 10 1/3 divided by 1/3 - ANSWER 31 convert 4.3 to a fraction by rounding off to three decimal places - ANSWER 4 3/250 to convert to a fraction move the decimal place over 3 and divide by 1000 4012/1000 = 4 12/1000 = 4 3/250