Answer:
a) 15m²
b) 750cm³
Step-by-step explanation:
(3+2)/2=5/2=2.5
2.5x6=15
a) 15m²
1/20=x/15
15=20x
x=15/20
x=3/4 = 0.75
1 liter is 1000cm³
1000x0.75
b) 750cm³
Answer:
12
Step-by-step explanation:
The salary in 2012 was $65,000.
If the inflation rate is 4%, the salary should increase at least 4% per year to keep up with inflation.
Then, we can calculate the salary adjusted by inflation in 2021 as:

Replacing with the data, we get:

Answer: the adjusted salary to keep up with inflation should be $92,515.27 in 2021.