Answer:
B
Step-by-step explanation:
$5.20 is about $5.00, 21 is about 20, so $5.00 * 20 *4 = $400.
Checking this: $5.20 * 21 * 4 = $436.80
21/6 simplified 7/2 or 3 1/2
Answer:
X = 4.3, -0.3
Step-by-step explanation:
Write the answer with like a line on top of the 2 threes that you see
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