Answer:
61
Step-by-step explanation:
Use a calculator. It is way faster than Brainly. Please.
Answer:
Mean temperature for the first 8 days was 
Step-by-step explanation:
Mean = 

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Answer:
the answer for 2 is 10, 4 is 20, 15 is 3
Explanation:
1:5=1x5
2:10=2x5 and so on
Answer:
The original price of the laptop is 840
Step-by-step explanation:
Here, we want to calculate the original price of a laptop, given the amount that was paid off and the discount percentage enjoyed.
Firstly, let’s add back the 50 taken off. That makes a total of 50 + 664 = 714
Now, we remember he was also given 15% off. Let the price paid be x;
The 15% of x is equal the difference between x and the 714
Thus;
15/100 * x = x - 714
15x/100 = (x-714)
15x = 100(x-714)
15x = 100x -71400
100x-15x = 71400
85x = 71400
x = 71400/85
x = 840