in an off season sale, a shopkeeper makes a profit of ₹50 on sale of one shirt and a loos of ₹20 on sale of of pants. find the number of shirt sold by him, if the total profit made by him is ₹820 and the number of pants sold is ₹4

Which is the completely factored from of xy^3-x^3y

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?