Kiku is preparing for her science test. On Monday, she studied for 1 3/4 hours. On Tuesday, she studied for 2 3/4 hours. On Wednesday she studied for 1 1/2 hours. How many hours has Kiku studied in all?
a. 6 1/4 hrs
b. 6 hrs
c. 11 1/2 hrs
d. 5 3/4 hrs

Question

Kiku is preparing for her science test. On Monday, she studied for 1 3/4 hours. On Tuesday, she studied for 2 3/4 hours. On Wednesday she studied for 1 1/2 hours. How many hours has Kiku studied in all?
a. 6 1/4 hrs
b. 6 hrs 
c. 11 1/2 hrs
d. 5 3/4 hrs

anonymous · Answer

the answer is B
because 3/4 of an hour is 45 minutes and 1/2 hrs is 30 minutes
if you add the 1+2+1=4hrs plus 45+45+30 minutes make two hours. So 4 plus 2 is 6hrs in total