Question

A:b= 4:5 and b:c= 15:39. What is a:c?

Answer 1

Answer:

A:b=4:13

Step-by-step explanation:

$\frac{a}{c} = \frac{a}{b} \times \frac{b}{c}$

$\frac{a}{b} = \frac{4}{5} \times \frac{15}{39}$

$\frac{a}{b} = \frac{4}{13}$

Answer 2

Answer:

upper ans is correct

Step-by-step explanation:

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