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.
... <span>exactly one output for each input
This is an important concept; be certain that you understand it.
</span>
Just multiply the sum of the numbers then divide
Answer:
853,125
Step-by-step explanation:
Umhhh u can use a calculator… or write it down and slowly break down solve it like that.
Hope this helps, good luck! ;)