1. The largest square shown below is divided into 64 congruent smaller squares. What fraction of the largest

square is shaded?

And explain how you got it so i can understand future problems : 3

Can someone me with this problem i don't understand i need

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers