Step-by-step explanation:
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They are equivalent
30:12 => 5:2
40:16 => 5:2
hope this helsp
13x u add parentheses since two negatives positive
Answer:
<h2>h = 18 cm</h2>
Step-by-step explanation:

Substitute:
<em>multiply both sides by 2</em>
<em>divide both sides by 13</em>
