1) Every litre of gasoline used in a car produces about 2 1/2g of carbon dioxide. An average family car consumes about 8 litres of gasoline for each 100 km travelled. How much carbon dioxide does a car produce on a 75 km journey?
2) The ABC Hamburger House sells quarter pounders for $1.49 each and three-eighth pounders for $2.19 each. Which is a better deal?
3) Pizza Uno offers 2/3 of a small pizza for $3.50. Pizza Duo offers 3/4 of a small pizza for $4.20. How much does each charge for a whole small pizza?
