These are the rates charged by a painter, a plumber and an electrician who do some work for Mr Sharma. Write down the ratio of the amount Mr Sharma pays to the painter, the plumber and the electrician. Give your answer in its lowest terms. painter : plumber : electrician $$\(=\)$$ .............. : .............. : ..............

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_m21_qp_42 Year:2021 Question No:1(d)

Answer:

\(35: 36: 32\) final answer

Knowledge points:

E1.11.1 Demonstrate an understanding of ratio and proportion. (To include numerical problems involving direct and inverse proportion.)
E1.11.2 Increase and decrease a quantity by a given ratio.
E1.11.3 Calculate average speed. (Use ratio and scales in practical situations.)
E1.11.4 Use common measures of rate. (Formulae for other rates will be given in the question e.g. pressure and density.)

Solution:

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