Pls Help! Its due today! No links or I will report! Please put a proper answer! Spencer bought 5 apples and 2 oranges for $3.10. Each apple costs 20 cents more than an orange. Find the cost of one apple and the cost of one orange.
Let x = the cost of each apple in cents.
Let y = the cost of each orange in cents.

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.