2. Benito has $120 to go shopping. He spends $30 on a pair of jeans. Benito also wants to buy some rings that cost $18 each. He writes and solves an inequality
to determine how many rings r he can buy. Describe and correct the error he
made when solving the inequality.
18r+ 30 3 120
18r+ 30 - 30 120 - 30
18r 90
18 18
25
Benito can purchase 5
or more rings

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.