Answer:
1.3
Substitutes
Explanation:
Cross price elasticity,Edc = percentage change in Quantity demanded of D / percentage change in Price of C
Good C increases in price by 30 % a pound
Good D to increase by 40%
Cross price elasticity, Exy = percentage change in Quantity demanded of D / percentage change in Price of C
= 40% / 30%
= 1.333
To one decimal place = 1.3
When Edc > 0, Quanrity demand of good D and Price of good C
are directly related. D and C are substitutes
The goods are substitute