Question

Determine if the following are in proportion 15,45,40,120

Answer 1

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$15 : 45$
$\frac{15 \div 5}{45 \div 5} = \frac{3 \div 3}{9 \div 3} = \frac{1}{3} = 1 :3$
$40 : 120$
$\frac{40}{120} \frac{4 \div 2}{12 \div 2} = \frac{1}{3} = 1 :3$

15 : 45 = 40:120
15,45,40,120 are proportion

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Answer 2

Answer:

determine if the following are in proportion 15,45,40,120