A number of two digit is equal to 3 times the sum of it's digit. The number formed by reversing it's digit plus 9 equal 3 times the number Find the number​

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length