Every sixth visitor to the bookstore get a free calendar. Every twentieth visitor gets a free book. Which visitor each day will

Question

AfilCa [17]

3 years ago

14

Every sixth visitor to the bookstore get a free calendar. Every twentieth visitor gets a free book. Which visitor each day will

be the first ones to get both the calendar and book?

Mathematics

2 answers:

Neko [114] · Answer 1 · 2022-01-22T23:23:43+03:00

Neko [114]3 years ago

6 0

The 60 visitor will get the calendar and a book.

notka56 [123] · Answer 2 · 2022-01-23T01:36:25+03:00

The 60th visiter
Here’s why—
First, list the multiples of 6 and 20 to find the least common multiple.
6– 6, 12, 18,24,30,36,42,48,54,60,66,72
20– 20,40,60,80,100

The Least common multiple is 60, telling us that the 60th visiter will get a free calendar and book at the same time.