数学篇：SAT考试每日一题 7

>>SAT考试：数学篇：SAT考试每日一题（7）

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Read the following SAT test question and then click on a button to select your answer.

0.18c+1.08t=90

In the equation above, if 90 represents the total amount of dollars spent on a purchase of c ounces of copper and t ounces of tin, what is the cost, in dollars, of 1 ounce of tin?

A.0.18

B.1.08

C.6

D.83.33

Read the following SAT test question and then click on a button to select your answer.

0.18c+1.08t=90

In the equation above, if 90 represents the total amount of dollars spent on a purchase of c ounces of copper and t ounces of tin, what is the cost, in dollars, of 1 ounce of tin?

A.0.18

B.1.08

C.6

D.83.33

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