Question

PLS HELP ME ASAP FOR 15!! (MUST SHOW WORK!!) + LOTS OF POINTS!!

Answer 1

if the area of the old garden was 1m^2, then the side lengths were both 1
if she increases the lengths by 50%, then 1 turns into 1.5
1.5 times 1.5 is 2.25
The area of her new garden is 2.25m^2