36 two credit courses and 11 three credit courses has been taken.
SOLUTION:
Given, each course in college X is worth either two or three credits. The members of the men’s swim team are taking a total of 47 courses that are worth a total of 105 credits .
We have to number of two credit courses and three credit courses are being taken .
Now, let the number of 2 credits courses be n, then number of 3 credits courses will be [tex]47-n[/tex].
And, according to the given information, Total credits = 105
[tex]\begin{array}{l}{\rightarrow \text { Credits for two credit courses }+\text { credits from three credits courses }=105} \\\\ {\rightarrow 2 \times \text { number of two credit courses }+3 \times \text { number of three lcredit courses }=105} \\\\ {\rightarrow 2 \times n+3 \times(47-n)=105} \\\\ {\rightarrow 2 n+141-3 n=105} \\\\ {\rightarrow 3 n-2 n=141-105} \\\\ {\rightarrow n=36}\end{array}[/tex]
So, two credits courses count is 36, the three credit courses count is [tex]47-36 = 11[/tex]
