Question 1122495
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Let (2n) and (2*(n+1)) are the numbers of dimes and quarters, according to the condition.


Then your "money" equation is


10*(2n) + 25*(2*(n+1)) = 750   cents.


Simplify and solve for "n".


20n + 50n + 50 = 750,

70n = 750 - 50 = 700  ====>  n = 700/70 = 10.


<U>Anser</U>.  20 dimes and 22 quarters.
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