Arjun and Gretal each pay rent. In 2018 , the ratio of the amount each paid in rent was Arjun : Gretal $$$=5: 7$$$. In 2019, the ratio of the amount each paid in rent was Arjun : Gretal $$$=9: 13$$$. Arjun paid the same amount of rent in both 2018 and $$$2019 .$$$ Gretal paid $$$\$ 290$$$ more rent in 2019 than she did in $$$2018 .$$$ Work out the amount Arjun paid in rent in $$$2019 .$$$ $$$ ............................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s20_qp_41 Year：2020 Question No：1(e)

Answer:

6525

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.)