Question

Janice has three pieces of string that are 36 cm, 24 cm, and 18 cm in length. She needs to have strings that are all the same length, but she does not want to waste any string. What is the greatest length Janice can cut each piece of string into and still have equal lengths?
a.
6 cm
b.
12 cm
c.
3 cm
d.
9 cm

GIVING MEDAL AND FAN TO FIRST PERSON THAT ANSWERS!!

Answer 1

This is an indirect way of asking you to find the greatest common factor of 36, 24 and 18.
Write all the factors of 36:
Write all the factors of 24:
Write all the factors of 18:

What is the greatest factor that is common to all the three given numbers?

Answer 2

b?

Answer 3

Is 12 a factor of 18?

Answer 4

a.6

Answer 5

6x6=36
6x4=24
6x3=18

Answer 6

Thankyou @cutepochacco :) and thankyou everyone else :)