The rates below are what a painter, a plumber and an electrician charge for some work carried out for Mr Sharma.
Painter: $35 per hour.
Plumber: Fixed charge $40 plus $26.50 per hour.
Electrician: $48 per hour for the first 2 hours then $32 per hour.
(a)[1]
Calculate the amount Mr Sharma pays to the painter.
(b)[2]
Calculate the number of hours the plumber works.
(c)[2]
Calculate the number of hours for which the electrician works.
(d)[2]
Write down the ratio of the amounts Mr Sharma pays to the painter, the plumber and the electrician. Give your answer in its lowest terms.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “ $245$ ” …