Ryan is training for a running race. He needs to run 20 miles per week as part of his training. He ran 4.32 miles on Monday and 7.84 miles on Wednesday.
Round each distance to the nearest mile.
About how much more does Ryan need to run to complete his training for the week?
A.
about 7 miles
B.
about 8 miles
C.
about 9 miles
D.
about 12 miles