Amy studied 3 and 1/2 hours for her biology test. she studied half as long for her math test as she did for her biology test. how long did she study for her math test?

ANSWER

EXPLANATION

The number of hours Amy studied for the Biology Test is

We were given in the question that Amy studied half as long for her math test as she did for her biology test.

This means that the number of hours she studied for the Maths test

We convert to improper fractions to get:

hope this .

r3t40

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,