Make the circle closed and the > needs to be underlined
Let the number of minutes be = x.
Cost per minute = 18 cents = 0.18
Amount for last call = $20 - $12.08 = $7.92
Number of minutes = Amount / Cost per minute
= 7.92 / 0.18
= 44
Call lasted 44 minutes.
"A" is the correct answer
2.6e2*3.9e11=1.014e+14 pounds of oxygen per year.
Answer:
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