4 years ago

1. 18+a > 21; 2, 3, 4 Which is true?

Mathematics

1 answer:

nexus9112 [7]4 years ago

3 0

Step-by-step explanation:

$18 + a > 21 \\ \therefore \: a > 21 - 18\\ \therefore \: a > 3 \\$

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