Three-eighths 3533

The cyclist drove two-fifths of the way on the first day and three-eighths on the second day. He still has 45 km to go to the finish.
a) What is the length of the whole trip?
b) How many km has he covered?

Correct answer:

a =  200 km
b =  155 km

Step-by-step explanation:


2/5·a+3/8·a+45=a

9a = 1800


a = 1800/9 = 200

a = 200

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