SOLUTION: Mr. Smith drove 25 miles for every 20 that Mrs. Smith drove. If they drove 612 miles all together, how many miles did Mrs. Smith drive? We know the answer is 272 miles but don't

Question 391161: Mr. Smith drove 25 miles for every 20 that Mrs. Smith drove. If they drove 612 miles all together, how many miles did Mrs. Smith drive?
We know the answer is 272 miles but don't know how to solve and show work with proper formula. Please help! Thanks
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
look at the FRACTION that each one drove

for every 45 mi (25 + 20) , Mrs. Smith drove 20 ___ the fraction of the trip that she drove is 20/45 or 4/9

(4/9) * 612 = 272
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