Question

There are two bottles of tomato ketchup, one weighs 720 g and costs £1.79, while the other weighs 460 g and costs £1.00. Which bottle gives better value for money? (Hint: you have to use ratios)

Answer 1

$To\ find\ better\ value\ for\ money\ you\ can\ find\ price\ of\ 100g:\\\\720:100=72\\460:100=46\\\\1.79:72=0.025\\1.00:46=0.022\\\\460g\ ketchup\ is\ more\ profitable.$

Answer 2

The better value would be the one that weighs 720 g and costs $ 1.79.