Sara had some buns she sold 5/9 of them, if she has 128 buns left. How many bums did she have at first?

288

Step-by-step explanation:

x- 5/9x= 128

4/9x=128

x=128*9/4

x= 288

idc

step-by-step explanation:

idk

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.