Tara spent 3 hours doing homework. She spent 1/3 of her time on math, and 1/5 on science. Which method would provide the most reasonable estimate of the totaltime Tara spent on her math and science homework?
a. multiply 1/8 by 3
b. multiply 1/2 by 3
c. multiply 1/3 by 3 and add 1/5 to the product
d. multiply 1/3 by 1/5 and multiply the product by 3