Question 1149437
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<pre>
10*(7x) - 5x = 390   cents


70x - 5x = 390

65x      = 390

  x      = 390/65 = 6.


<U>ANSWER</U>.  6 nickels and 6*7 = 42 dimes.


<U>CHECK</U>.   42*10 - 3*6 = 390 cents.   ! Precisely correct !
</pre>

Solved.


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