Xtian Zhou
This page lists questions and answers that were posted by visitors named Xtian Zhou.
Questions
The following questions were asked by visitors named Xtian Zhou.
Lina is now 5 times as old as Bob, but 7 years from now, she will be 3 times as old as he will be then. How old is Lina now?
9 years ago
As a fundraiser, Student Council sold two types of candy: lollipops for 40 cents each and chocolate bars for 75 cents each. On Monday, the students sold 150 candies and raised $74. How many lollipops did they sell?
9 years ago
Let A be the set of primes less than 6 and B be the set of positive odd numbers less than 6. How many different sums of the form a + b are possible, if a is in A and b is in B?
9 years ago
Answers
The following answers were posted by visitors named Xtian Zhou.