SG
chevron_right
Primary 4
chevron_right
Number and Algebra
can anyone help with question 17(a) n (b)?
Replies
3
Xavier Sng
17 ( a) the lowest common multiple of 24 and 45 is 360.
The number of interest is thus 363.
17 ( b) 21 and 42 are divisible by 1, 3, 7 and 21.
24 and 42 will both yield a remainder of 3 if divided by 7 and 21.