Answer:
WOW THIS IS MIDDLE SCHOOL MATH
Step-by-step explanation:
Answer:$15
Step-by-step explanation:
d = $35
if ivan lost $35
35 - 20 = $15
18/25 = 0.72
11/15 = 0.73
no, 18/25 is not bigger then 11/15....it is smaller
Step-by-step explanation:

Estimation would give you an answer close to the actual answer so you can see if your answer is reasonable depending on how close the estimate is