Convert the ratio of sheep to pigs below to the ratio of pigs to total animals ( sheep and pigs) 4: 7

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

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.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid