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Mathematics 13 Online
OpenStudy (anonymous):

Daniela has $35.20 in dimes and quarters. She has 2 more dimes than quarters. How many quarters does she have?

OpenStudy (mertsj):

d=q+2 .10d+.25Q=32.50

OpenStudy (mertsj):

Replace d in the second equation with q+2 from the first equation and solve.

OpenStudy (anonymous):

answer is 450 divide 3520 by 10 then you get 350 then you divide 25 by the 3520 then you get100 then add 350 to 100 and you get 450

OpenStudy (anonymous):

neither worked

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