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 kilometers on Wednesday. How much more does Mark need to ride to complete his training for the week?

Answer 1

17,83 km

Explanation:

he has already ridden 18,23+13,94 km, then he needs to ride 50-(18,23+13,94)=17,83 km more