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Q: What is the average grade is 25 percent scored 81.5 and 25 percent scored 55 and 50 percent scored 64?

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To find 15 percent of a number, multiply the number by 0.15. In this instance, 0.15 x 815 = 122.25. Therefore, 15 percent of 815 is equal to 122.25.

To find 20 percent of a number, multiply the number by 0.2. In this instance, 0.2 x 815 = 163. Therefore, 20 percent of 815 is equal to 163.

10% x 815 = 81.5

you divide 530 by 815 to get .650306...

Converting a number to a percent is easy; just multiply by 100: 815 x 100 = 81,500%

20%

% change= |815 - 925|/815 * 100%= 110/815 * 100%= 0.13496 * 100%= 13.5% (% increase)

It would be 8.7 percent

You must average at least 81.5 miles per hour for 815 miles.

Depending on the type or grade of deisel, approx 815 grams (1.87 lbs) per liter coversion factor for DIESEL is .815 so 1 litre diesel weighs .815kg (approx) It depends on the specific gravity of the diesel which can vary, but typically the SG is approx. 0.815 so 1000litres X .815= 815 Kg

815 kmph

815 = 815.0

1,5,163 and 815

DCCCXV = 815

815 rounded to the nearest hundreds = 800

815 - 15 = 800

815 + 34 = 849

163

0.0724

5 x 163 = 815

510 add 815 mm = 1325

8.15

135.8333

There are 1000 metres in one kilometre. Therefore, 815 metres is equal to 815/1000 = 0.815 kilometres.

Five does into 815 163 times