Going off of 11% vs 1/10 Blanca received the greater percentage because 1/10 as a percent is 10%. Hope this helps.
Required area of shaded portion
= Area of square ABCD - 4 × area of one quadrant

Answer:
its C.
Step-by-step explanation:
lol i just did this
Answer:
18
Step-by-step explanation:
because 20% of 90 is 18