This is the answer for both number 9 and number 11.
Good luck
Stick change flip
5/6 x 10/3 = 50/18 2 14/18 simplify 2 7/9
X≈2.48207399,<span>−<span>2.14874066</span></span>
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.