Answered

In Year 11 at the school, the ratio of the number of pupils who study Chemistry to
the number of pupils who study Physics is 3:2
(b) 105 pupils in Year 11 study Chemistry.
Work out the number of pupils in Year 11 who study Physics.

Answer :

KEVINCLQ0811GO

Answer:

70

Step-by-step explanation:

Chem : Phy = 3: 2

Since we have 105 pupils studying Chem and let's say we have x students stuyding Phy.

We have :[tex]3:2=105:x[/tex]

[tex]3x=210[/tex]

x=70

JUSTINGEORGE1985GO

Answer:

17.5

105÷3 is 35

37÷2 is 17.5

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