Answer:
38.75
Step-by-step explanation:
perimeter = 2(15.6+3.8) =38.8
lower bound = the smallest value that would round up to the estimated value =38.75
The error is that 9 shouldnt be written as nine it should be written as 3x3 or 3^2. So the answer should be 2^3 x 3^2 because 9 can be divided into even more prime factors of 72.
Answer:
Step-by-step explanation:
Let her total earnings be m
Rent = 1/4m
Food = 1/5m
Amount left = m - 1/4m - 1/5m
Amount left = (20m - 5m - 4m)/20
Amount left = 11m/20
