Answer:
t = 20 + q (minutes)
Step-by-step explanation:
The meeting consists of speaking and Question & Answer (Q&A) sessions.
Speaking session = 20 minutes
Q&A session = q minutes
Total number of minutes spent for the two sessions = 20 + q (minutes)
But total number of minutes meeting lasted = t minutes.
Therefore, t = 20 + q (because they both represent the total number of minutes the meeting lasted)
Recall that the short leg is the side opposite the 30 degrees angle. And the ratio of the short leg to the hypotenuse is 1:2.
Let the length of the short leg be x, then,

If it is winter then it is cold inside
I would not buy the Iphone 7 because they did not take out the correct percent off. 25% would be .25, so .25 x 675=168.75 should be taken off the price to make it sale price $506.25.
The store had the computer take only 20% off of the price because:
675-540=135 for the amount they took off.
% x 675=135
%=135/675
%=.2 or 20%