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18 July, 06:14

Using the formula P = 2 (a + b), find a when P = 15 and b = 5. a 2.5 b 5 c 8 d 10

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  1. 18 July, 10:14
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    the correct answer is a. 2.5

    Step-by-step explanation:

    15=2 (a+5) || 15=29+10 || 15-10=2a || 5=2a || 2.5=a
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