120% of x is equal to 78. Write an equation that shows the
relationship of 120%, x, and 78.
Use your equation to find x. Show
your reasoning.

283 square feet

step-by-step explanation:

good luck

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.