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Mathematics 18 Online
OpenStudy (anonymous):

new word problem question :) last one ! attachment below ! <3 please help :(

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

Tabbey, with a problem like that, it's useful to start with what you know, consider the units of the thing you know and what kind of units you want to get to. So in the first problem, you're given that the amount she spends on gas is 21. Which is in dollars. You're asked how far they can travel, which is a distance in miles.

OpenStudy (anonymous):

How can we get from dollars to miles? Well, dollars / (dollars/gallon) = gallons and gallons * (miles/gallon) = miles

OpenStudy (anonymous):

continue :)

OpenStudy (anonymous):

Are we given some piece of information that has (dollars/gallon) as the unit? Yes. The price of gas. And are we given some information that is given with (miles/gallon) as the unit? Yes. The millage of her car.

OpenStudy (anonymous):

yes :)

OpenStudy (anonymous):

Get it? Let me know if you have any questions or hangups.

OpenStudy (anonymous):

yes ; but i would like to know the anwser .

OpenStudy (anonymous):

Well, tell me how you think you'd find it. I don't believe in handing out answers.

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