Question 463167
"Equal to 3 times an even integer" is just a strange, tricky way of saying "is a multiple of 6." Also, if a number is a multiple of 5 and 6, it must be a multiple of 30. Here, all we have to do is count the multiples of 30 up to 1000, which are 30, 60, 90, ..., 990, or 33 numbers.