30 Pupils planned to bake 4 cookies to give to every pupil in the level. 5 more pupils decided to join them and so each of the rest of the pupils baked 2 fewer cookies than planned at first. How many pupils were there on the level?

answer: i don't understand it

step-by-step explanation: sorry

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

or

the answer is b