Jevonne Liew's answer to A's Primary 6 Maths question.

Ask ManyTutors
done 2 Upvotes
clear 0 Downvotes
Jevonne Liew
Jevonne Liew's answer
4 answers (A Helpful Person)
1st
simply multiply the 2 numbers together. Eg, for qn69 3x4=12 so every 12 is the common board they will land together. (12, 24, 36)

qn70 similarly, 3x5=15 so every 15seconds the two bells will ring tgt (15,30,45,60)
A
A
7 years ago
TYSSMMM