The diagram shows the positions of three points $$$A, B$$$ and $$$C$$$ in a field. Mitchell takes 35 seconds to run from $$$A$$$ to $$$C$$$. Calculate his average running speed in kilometres per hour. .................................... $$$\mathrm{km} / \mathrm{h}$$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s20_qp_41 Year：2020 Question No：7(d)

Answer:

$11.8$ or $11.82$ to $11.83$

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.)

E5.1 Use current units of mass, length, area, volume and capacity in practical situations and express quantities in terms of larger or smaller units. (Convert between units including units of area and volume.)

The diagram shows the positions of three points $$\(A, B\)$$ and $$\(C\)$$ in a field. Mitchell takes 35 seconds to run from $$\(A\)$$ to $$\(C\)$$. Calculate his average running speed in kilometres per hour. .................................... $$\(\mathrm{km} / \mathrm{h}\)$$

Answer:

Knowledge points:

Solution:

The diagram shows the positions of three points $$\(A, B\)$$ and $$\(C\)$$ in a field. Mitchell takes 35 seconds to run from $$\(A\)$$ to $$\(C\)$$. Calculate his average running speed in kilometres per hour. .................................... $$\(\mathrm{km} / \mathrm{h}\)$$

Answer:

Knowledge points:

Solution:

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