Stephen & richard share a lottery win of £2950 in the ratio 2 : 3.
stephen then shares his part between himself, his wife & their son in the ratio 3 : 5 : 2.
how much more does his wife get over their son?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label