Help with maths question

Jim and Abbi share some money in the ratio 1:4
a) Find the percentage of the money that is Jim's share.

Imran and Helen share £180 in the ratio 2:3
b) Work out how much money Helen will get.

Good question!

To make learning math a bit easier, Dr. Pan (TucsonMathDoc) has recorded a YouTube video to help visually answer it.

Please comment on YouTube or Y!A and let her know if it helped.

Thanks!