I am assuming the problem is asking you to find an equation repersenting the situation.
In this case, realize that 150 will be a constant, and 60 will be attached to the
variable, since the price of the textbooks changes based on how many textbooks there are.
Thus, the equation is:

Our answer is 60x + 150 = y.
Lol I was looking for help for this question but I couldn't find it so I had to figure it out my self and the answer is 40
Answer:
The recipe did require 50 grams of cheese.
Step-by-step explanation:
Since, 60 percent extra cheese is used, therefore the given amount of cheese is 160% of recipe requirement. Or in other words, the given amount of cheese is 1.6 times the requirement.
80 grams = (1.6)(Recipe Requirement)
Recipe Requirement = 80/1.6 grams
<u>Recipe Requirement = 50 grams</u>
Answer:
Step-by-step explanation: