1) 40 x9=360 that’s how much he should have earned. £360 - $332.46 = $27.54 that’s ur answer
The quantity of traveling by train would change by 28%.
Cross-price elasticity measures how the quantity demanded of a good is affected by changes in the price of another good.
Cross price elasticity = percentage change in the quantity demanded of good A / percentage change in the price of good B.
0.7 = percentage change in the quantity of traveling by train / 40%
Percentage change in the quantity of traveling by train = 40 x 0.7 = 28%
To learn more about cross price elasticity, please check: brainly.com/question/26035503
Unincorporated slums on the texas side of the border that have substandard housing
Maybe on a balance sheet, to keep track of everything monthly