Jacob and ayden work at a dry cleaners ironing shirts. jacob can iron 25 shirts per hour, ayden can iron 35 shirts per hour. ayden worked twice as many hours as jacob and they ironed 380 shirts between them. determine the number of hours jacob worked and number of hours ayden worked

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

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.

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?