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Mathematics 9 Online
OpenStudy (anonymous):

First 2,000 kWh = $0.053 per kWh Over 2,000 kWh = $0.04 per kWh Delsin runs a small used bookstore. Last month his store used 8,000 kWh of electricity. What was his bill? A. $375 B. $346 C. $320 D. $240

OpenStudy (konradzuse):

Ok lets do this again. since 8000 > 2000 we use 0.04 8000 x 0.04 =?

OpenStudy (konradzuse):

The answer is C. 320$

OpenStudy (anonymous):

@KonradZuse .... Not again :p The first 2000 you use $0.053 The other 6000 you use $0.04 So the answer is 2000*0.053 + 6000*0.04 = B. $346

OpenStudy (shane_b):

@Diogo: You beat me too it :P

OpenStudy (konradzuse):

Oh woops haha I suck...

OpenStudy (konradzuse):

I didn't think about that :P.

OpenStudy (anonymous):

You guys make a good comedy show.

OpenStudy (konradzuse):

Our show runs Tuesdays and Thursdays 3-9pm.

OpenStudy (anonymous):

xD

OpenStudy (anonymous):

heheheh

OpenStudy (anonymous):

I got a question.

OpenStudy (konradzuse):

my head explodes from 3-7 tho.

OpenStudy (anonymous):

What is seventy thousand three hundred five and twelve hundredths in numerals?

OpenStudy (konradzuse):

70305.12

OpenStudy (anonymous):

Yay! You won...........a medal and 70,305.12 dollars!

OpenStudy (konradzuse):

yay!

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