Male, brown hair, white shirt: Our ratio of computers to support engineers is about 150. Each engineer can look after 150 computers and if we bring on a customer with 300 users, that tells us that ...

Who needs ratios and fractions? Well, you need ratios and fractions. You use them all the time! Give me half a minute. Can I have half rice, half chips? A third of my class are halfwits - which is ...