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Printjmc
prealgebra junior
Problem
The diagram shows the miles traveled by bikers Alberto and Bjorn. After four hours, about how many more miles has Alberto biked than Bjorn? 
(A)
(B)
(C)
(D)
Solution
After 4 hours, we see that Bjorn biked 45 miles, and Alberto biked 60. Thus the answer is .
Final answer
A