There are two parallel lines, and the third line intersects these two lines.
Quantity A: The number of points with equal distance from three lines
Quantity B: 3
|Integer x and y which have the same tens digits. The sum of x and y is 87, and x < y (x and y are positive integers). How many distinct pairs of x and y satisfy the above rule?|
n is an integer greater than 200 and less than 300, and has a tens digit of x and units digit of 5
Quantity A: n/5
Quantity B: 40+2x
|The value of a two-digit integer is twice as many as the sum of its tens digit and units digits. What is the two-digit integer?|
|What is the greatest possible value of n such that n is an even and the result is 530?|
Both m and n are positive integers and 3m+4n =13
Quantity A: n
|What is the total number of three-digit integers where the sum of all the digits is 4 from 100 to 999, inclusive?|
|Set S consists of points(x,y)such that 2x+3y≤7 where x and y are positive integers. What is the number of the points in set S?|
In a store, price of small-sized coffee beans is $k per bag, while price of larger coffee beans is $m per bag. If someone buys four bags of coffee beans in the store at a price of $30 in total, then k and m could be?
Indicate all such possible combinations.
To buy n stamps each of which is 0.32 dollar, a person paid some 1-dollar bills and then received the change of 0.08 dollar.
Quantity A: n
Quantity B: 9
rt=8, where r and t are positive integers
Quantity A: r+t
Quantity B: 12
Select 5 numbers from the nine numbers, namely 1~9 (inclusive), to sum up
Quantity A:The number of possible ways that the sum of these five numbers is 22
Quantity B:The number of possible ways that the sum of these five numbers is 28
|At most how many integers less than 25 could be the sum of the positive multiple of 4 and the positive multiple of 5?|
|If x,y,z are positive integers,and x+y+z=7,then how many different solutions are there?|
|The average of four different integers is 30,if the minimum integer is 27,what is the greatest possible value of the integers?|
|The average of 5 different positive integers is 8, what might be the greatest possible value of the 5 integers?|
|The sum of 10 positive integers is 101, and none of these integers is twice more than the other. What is the largest possible number among these 10 numbers?|
|The sum of three positive integers is 76,and x is the greatest one. What is the least possible value of x?|
|-8≤h≤10,m+h=-4.What is the least possible value of m*h?|
|When selecting four different integers from -5 to 4, inclusive, what is the least possible product of these four numbers?|