Garry's boat sailed 42 miles in 4 hours. At this rate,how far did the boat sailed in 1 and a 1/2 hours?

A. 40 and a1/2 miles

B. 16 and 4/5 miles

C.15 and 3/4 miles

D. 28 miles

please help,very much thanks if you do!ā€‹

Respuesta :

It would be C)15.75 miles because you divide it to get 2 hrs and divide again to get an hour then again to get half and hour and you add on the last number and 2nd to last so.. 42/2 is 21/2 is 10.5/2 is 5.25 add 10.5 and 5.25 is 15.75 which is 15 and 3/4 miles :)).

Answer:

c

Step-by-step explanation: