Farmer dan's super speedy peanut sheller can shell 4 pounds of peanuts in 1.5 minutes. how many pounds can it shell in 30 seconds? (answer in fraction form)
answer

Write the pair of fractions as a pair of fractions with a common denominator

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.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827