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SAT Question of the Day Explained – October 7, 2014 – Math, Ratios, Proportions

Today’s SAT question of the day is a math question that’s an excellent example for any test taker to review.  One brother earns 10 dollars for each lawn he mows, while the other brother gets 3 of those dollars for each lawn with which he helps.

In other words, one brother (d) earns 10 dollar per yard, while the other (t) earns 3 dollars per yard.

Whenever you can find a per statement, you know you can make a ratio…and with two related ratios, we can make a proportion.

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