Percy prepared 22 kilograms of dough after working 5 hours. How many hours did Percy work if he prepared 35.2 kilograms of dough?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)