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Mathematics 22 Online
OpenStudy (mackenzie2013):

Tommy and his family drove home from his grandparent's house in three and a half hours. If they drove at an average rate of 48 miles per hour, about how far away does Tommy live from his grandparents? 144 miles 192 miles 168 miles 180 miles

OpenStudy (anonymous):

That is simply 3.5*48

OpenStudy (anonymous):

So it would be 168

OpenStudy (mackenzie2013):

I just tried a problem by myself do you mind checking it for me?

OpenStudy (kamibug):

Distance = speed x time ;) for future reference. So, yes, @DragonFlame is correct.

OpenStudy (anonymous):

Sure, what is the problem?

OpenStudy (mackenzie2013):

Hillary opened a savings account with $1,500. How much simple interest will she earn if she leaves the money in the account for two years at an interest rate of 0.025? Use the formula i = prt. I got 37.50$

OpenStudy (whpalmer4):

what did you use for t?

OpenStudy (anonymous):

I = prt

OpenStudy (whpalmer4):

btw, the currency symbol goes before the number...

OpenStudy (anonymous):

1500* 0.025 * 2

OpenStudy (anonymous):

LOL @whpalmer4

OpenStudy (mackenzie2013):

Thank you, again :)

OpenStudy (anonymous):

Np

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