The time, T (seconds), it takes for a pot of water to boil is proportional to the amount, A (litres), of water. It takes 320 seconds to boil 2.6 litres of water. Work out how long it takes (to the nearest second) to boil 2.2 litres.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

How much orange juice do you need to make 2 servings of lemony orange slush?