Tell fast plzzz a) 22+22
b) 32+32
c) 42+42
d) 52+52
e) 108+ 108
f) 116+116
g) 132+132
h) 164+164
i) 210+210

Mrs. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. mr chang bought the same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount?