11 oranges cost 88p how much would 20 oranges cost?

Ineed someone to me answer my question i have to have this done and knocked out

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?