7 = 3/9x solve for x
2 answers:
You might be interested in
<em>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</em>
<em>➷ </em><em />
<em>➷ </em><em />
<em>➷ </em><em />
<em> ➷ </em><em />
<em> ➷ </em><em />
<em> ➷ </em><em />
<em>✽</em>
<em>➶ Hope This Helps You!</em>
<em>➶ Good Luck (:</em>
<em>➶ Have A Great Day ^-^</em>
<em>↬ May ♡</em>
<em />
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.