Question

Mark is in training for a bicycle race. He needs to ride 50 kilometers a week as part of his training. He rode 18.23 kilometers on Monday and 13.94 on Wednesday. How much more does mark need to ride to complete his training for the week
A. 4.29

B. 17.83

C. 31.77

D. 36.06

Answer 1

Mark has to ride 50 kilometers. He already rode 18.23 and 13.94.

18.23km+13.94km=32.17km

50km-32.17km=17.83km

Mark will have to ride 17.83km more. The correct answer is B.