Question

State whether the ratios form a proportion.
$25/35$ and $35/45$

A. Yes
B.No

Answer 1

$\dfrac{25}{35}=\dfrac{35}{45}\\ \dfrac{5}{7}=\dfrac{7}{9}\\ 5\cdot9=7^2\\ 45=49 \leftarrow \hbox{not true} \Rightarrow \hbox{No}$

Answer 2

The answer is B. No

25/35 = 35/45

5/7 = 7/9

5*9=7^2

45=49

This is not true

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