The following pictograph shows the number of scooters sold by a company during a week.
Study the pictograph carefully and answer the questions given below.
On what day of the week was the sale of the scooters maximum?
Look at the given picture :
There are _____ more circles than triangles.
How is the answer 6 ?
When simplified, (x- 1 + y- 1)- 1 is equal to ____.
(A) x + y
(C) x y
i could not understand it. plz solve and inform by another method