the value of a company's stock changes by -$2.25 each day. After how many days will the value of the stock change by -$18?
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Answer:
Step-by-step explanation:
Since they have the same denominator (the number on the bottom), you can just subtract the numerators (the numbers on the top). So 3-2 is 1. You always leave the denominator as it is, don't subtract it.