kkaur423 wrote:

Should the answer be A?

5(r+t) 5r+t

5r+5t 5r +t

5t t (subtract 5r)

5 1 (divide by t)

5>1

There's a slight error in your solution.

When using matching operations, we must be sure to avoid multiplying or dividing a quantity by a

negative number.

In your solution, you divided both quantities by t. However, since we don't know whether t is positive or negative, we must avoid dividing the quantities by t.

Let's take it from where you got to:

Quantity A: 5t

Quantity B: t

Notice that, if t = 0, then the two quantities are equal.

If t = 1, then Quantity A is greater

If t = -1, then Quantity B is greater

So, the correct answer must be D.

Cheers,

Brent

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Brent Hanneson – Creator of greenlighttestprep.com

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