Mitchell earns $40 for mowing the lawn. He spends $5 on ice cream and $15 on a book. Write an equation for how much money Mitchell has left. ASAP ill give brainliest

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?