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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Answer:
Step-by-step explanation:
The answer is B. Infinitely many solutions. <span />
Answer:
80%
Step-by-step explanation:
1. Formula for collecting efficiency is:
(Output energy÷Input energy) x 100
2. Plug in the values:
(40J÷50J)x 100
= 80%
Answer:
332 - 333, for nearest its 333
Step-by-step explanation: