Answer:
25 rulers
Step-by-step explanation:
Divide the total money available by the cost per ruler to get the number of rulers.
let the numbers be 7x,y,y,y.
7x+3y=36
3y=36-7x
numbers are 7×3,5,5,5
or 21,5,5,5
21×5×5×5=2625
maybe you can attach the screenshot of the task?