Price of good X = 5,price of good Y = 4.How many units of X and Y for Q = 60 should we buy to get经济学

Price of good X = 5,price of good Y = 4.How many units of X and Y for Q = 60 should we buy to get经济学 MBA题Suppose the cross-price elasticity of demand between goods X and Y is 4.How much would the price of good Y have to change in order to change the consumption of good X by 20 percent? what are the prices of good food and and drinks?还是what is the price of good food and and drinks?what price are good food and and drinks?还是what price is good food and and drinks?She was married=She——？——上面打错了..不小心打 at a good price ''We have a lot of price very good's things 还是We have a lot of price very good things 求速 I can buy school things of a good price hereI can buy school things ( )a good price here是填in at of 用适当介词填空They have lots of balls()a very good price in their store Does the shop have all kinds of vegetable( )a very good price?介词填空 I buy a pair of shoes ___that shop __a good price. All kinds of books with good price are ready for you! we have ice cream of different flavors in a good price——3.00 each改错 选择：They have nice socks( ) a good price of $2.for?at?in?on? 价格合理是at a good price还是at good price at a good price 还是 for a good price Good advice is beyond price unit price&term of the price of the price of