Question 16 — IGCSE 0580 May/June 2025 Paper 32
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Numbers · Ratio and proportion. Worth 4 marks.
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Question text
16 (a) Sam spends $187 on electricity and gas.
The ratio electricity : gas = 8 : 3 .
W ork out how much Sam spends on electricity.
$ ................................................. [2]
(b) Jai spends $180 on electricity and $150 on gas.
W rite down the ratio electricity : gas in its simplest form.
........................ : ....................... [1]
(c) Kat spends money on electricity and gas in the ratio
electricity : gas = E : G.
W rite down an expression, in terms of E and G, for the fraction she spends on gas.
................................................. [1]
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