If 20% of a number is 35, what is 50% of that number?

2-digit numbers less than 91 which are 1 less than a multiple of 10

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Do,h = (7, 9) (14, 18) the scale factor is