$.$ Elo World Rankings for FIFA Women$$s Football $($Soccer$)$

Determine FIFA$$s Rating System for Women$$s Football as applied to Canada$$s $($Rating $=$

$1945)20$ win over Brazil $($Rating $=1950)$ at the International Series in Halifax on October

$31$th$,2023.$

$($a$)$ What is the formula that applied to the match?

$($b$)$ What were the updated ratings for the two teams as a result of the match?