It took 32 minutes for Ella to go to school on Friday.
Step-by-step explanation:
Time for first four days in minutes,
30,28,34,31
Let x be the time on Friday
Average = 31 min
As we know
Multiplying both sides by 5;
It took 32 minutes for Ella to go to school on Friday.
Keywords: Average, Addition
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What i've done is converted the exponential to a radical. I hope this helped. :)
Answer:
Only the first one should be check-marked.
Step-by-step explanation:
Answer:
42,075
Step-by-step explanation:
45,000 x [(100-15%)/100] = 38,250
38250 x [(100+10%)/100] = 42,075