On a trip to Italy, Mrs. Chandler traded her dollars for euros. The graph of the exchange rate is shown.
Based on the graph, what is the unit rate of euros per dollar?
A.
0.56 euros per dollar
B.
0.90 euros per dollar
C.
1.80 euros per dollar
D.
1.11 euros per dollar
A. 0.56 euros per dollar
Explanation: The unit rate is the amount in the second quantity for one unit of the first quantity. In this case, the unit rate is 0.56 euros per dollar because for every 1 dollar, you can get 0.56 euros based on the graph.