If we multiple by 5 to the difference of 1 out of 6 part of time of 15 and 3, find the number.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

What are the excluded values? m+5/mn+3m

Can someone show me step by step how to do this?