Neil is going to make concrete. He is going to use 180 kg of cement 375 kg of sand 1080 kg of stone.

Cement, sand and stone are sold in bags, shown in the table.

Neil already has 15 bags of cement, 22 bags of sand and 18 bags of stone.

How much cement does Neil have?

Give your answer in kg.

The price of a box of 15 cloud markers is $12.70. the price of a box of 42 cloud markers is $31.60. all prices are without tax, and the price of the packaging is the same for any size. how much would 50 cloud markers in a box cost? write an equation which will tell the price p for the number n markers in the box.