Answer:

Step-by-step explanation:
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Answer:
Range = 0.125
Step-by-step explanation:
The detailed steps is as shown in the attached file.
The solution or
the answer is x=1
Answer:
he made $31.50 in commission
the jewelry store made $418.50
Step-by-step explanation:
turn the percent to a decimal by moving it 2 places 7%=.07
then multiply .07 by 450 to get his commission =31.50
then subtract 31.50 and 450 = 418.50