Answered

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Sue bought ten items at an average price of $3.60. The cost of eight of the items totaled $30. If the other two items were the same price, what was the price she paid for each ?

1) $15, 2) $7.50, 3) $6, 4) $3, 5) $1.50

I guess the answer is $7.50.
What is yr answer ???


Sagot :

secretlyblu
ok soo if the 10 items avg $3.60 each then your total for the ten items was $36. if we know that the cost of 8 items is $30 then there is 6 dollars left. nd if we no that the remaining 2 are the same price then each should be $3  
[tex]\frac{30+2x}{10}=3.60\ \ \ \ /\cdot10\\\\30+2x=36\ \ \ \ /-30\\\\2x=6\ \ \ /:2\\\\x=3\ (\$)[/tex]

[tex]Answer:\$3\ (4)[/tex]
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