140% of an amount is $28. What is 100% of the amount? (140% of what number is 28)

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years