The formula you want is: fv=p(1+int/c)^(nc)
future value
principal
int
compound
years
Answer:
There are 80 marks in total.
Step-by-step explanation:
Let the number of total marks be
.
The percentage score of the student can be written as the ratio
.
However,
.
Equating the two:
.
Cross-multiply (that is: multiple both sides by
, the product of the two denominators) to get
.
.
In other words, there are 80 marks in total.
Answer:
1/9, decimal form = 0.1 repeating
I think it's 36. Because 7x3=21 and 12x3=36