Samuel has read 3/6 of his assignment .judy has read 4/8 of her assignment .their assignments were the same size. which sentence is true?
a. samuel read more than judy.
b. judy read more than samuel.
c. they read the same amount.
d. they will both finish the assignment the assignment at the same time.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.