Can anyone help me out step by step? An expert maybe (or anyone it doesn’t matter)? I just really wanna understand what I missed so I’m making up hw I missed. I’ll give brainliest!:))

Tom drove 206 miles in 3.9 hours. estimate his average speed.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?