Question

if7:x= 35:45 then x is=?
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Answer 1

Answer:

Answer is x=9

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Step-by-step explanation:

$7:x = 35:45 \\ = > \frac{7}{x} = \frac{35}{45} \\ = > 35x = 7 \times 45 \\ = > x = \frac{7 \times 45}{35} \\ = > x = 9$

Answer 2

Answer:

x=9, as the 35÷5=7 and 45÷5=9