Answer:
$92.25
Step-by-step explanation:
If Diego spent $20.50 and Sandy spent 4.5x as much as Diego, that means that Sandy spent 20.5x4.5, which equals 92.25. Sandy spent $92.25
Check the picture below.
let's recall that a rhombu's sides are all equal.
216.05 is the answer because you have to divide $4,321 by 100, and multiply that by 5.
I'm assuming you meant to write

If so, then factor out an 'x' from the denominator and cancel
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So the answer is <span>

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The answer is 50%.
Divide 2.25 by 1.50. That equals 1.5. That’s the equivalent to 50% because if you subtract 1 from 1.5 and multiply by 100. You get the same answer. Only do that for numbers greater than one, otherwise it won’t work