The sum of 3 fifteens and 17 fifteens

(3*15)+(17*15)=45+255=300
the final answer is 300
or 20 fifteens

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.