Answer:
6 hours
Step-by-step explanation:
42/7=6h
Answer:
70% = 
20% = 
Step-by-step explanation:
We know that x% is represented by the fraction
.
Now, in the first part, we are given two percentages 75% and 70%.
Now, 75% =
and 70% =
Therefore, the second option is correct.
Again, in the second part, we are given two percentages 20% and 25%.
Now, 20% =
and 25% =
Therefore, the third option is correct. (Answer)
The answer is 75° because 39° + 36°=75°
The answer is: 520
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