Lena finished her history assignment in 5/8 hours. then she completed her english assignment in 1/2 hours. how much more time did lena spend on her history assignment?

We have been told that Lena finished her history assignment in 5/8 hours. Then she completed her English assignment in 1/2 hours and we asked to find out how much more time did Lena spend on her history assignment.

To find out the more time spend on history assignment we will subtract the time Lena spent on English assignment from time spend on history assignment.

Now we will make our denominators equal.

Therefore, Lena spent 1/8 hours more on history assignment.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

my guess would be b and d, but i didn’t actually get out the pen and paper. lol