The ratio of Shina's test marks to Kyle's test marks was $3 : 7$ . Shina scored 16 fewer marks than Kyle. How many marks did Kyle score? Answer: ___

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Worked solution

1. Find the difference in units between Kyle and Shina

$\text{Difference in units} = 7 - 3 = 4 \text{ units}$

2. Find the value of 1 unit

$4 \text{ units} = 16 \text{ marks}$
$1 \text{ unit} = 16 \div 4 = 4 \text{ marks}$

3. Calculate Kyle's marks

$\text{Kyle's marks} = 7 \text{ units} = 7 \times 4 = 28$

Answer

$28$

AI analysis — may contain mistakes.

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