The first option is correct. See an explanation below.
2/5 + 2/4 = 8/20 + 10/20 = 18/20 = 9/10
It's just a variable in a problem. You solve for ex . So whatever your answer is you equal to x.
<span>It's a . –137.8. Hope this is helpful.</span>
I'd assume you meant there are 5 more trumpet players than flute players.
f=t-5
or
t=f+5
