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Mathematics 18 Online
OpenStudy (anonymous):

Juan is saving money to buy a game. So far he has saved , which is four-fifths of the total cost of the game. How much does the game cost?

OpenStudy (anonymous):

he has save $20

OpenStudy (mathstudent55):

Translate the sentence into an equation. Then solve the equation.

OpenStudy (anonymous):

i dont get it

OpenStudy (mathstudent55):

You need to find a number, which is the cost of the game. What the problem tells you is that $20 is 4/5 of the cost, right?

OpenStudy (anonymous):

25$

OpenStudy (anonymous):

thx

OpenStudy (mathstudent55):

You can write: 4/5 of a number is $20 Let the number be represented by x, and translate the sentence above into an equation. 4/5 of x is $20 (4/5)*x = 20 Multiply both sides by 5/4 to find x. You are correct.

OpenStudy (anonymous):

thx

OpenStudy (anonymous):

u rock

OpenStudy (mathstudent55):

You're welcome.

OpenStudy (mathstudent55):

Thanks.

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