Solve using proportions. There are 480 students attending a biology lecture. The ratio of male to female students at the lecture is 3 to 2. How many men
and women are attending the lecture?

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

step-by-step explanation: