Answer:
Step-by-step explanation:
How many questions are on the exam? Represent this by n.
Then 40% of n comes out to 12 questions, or more symbolically,
0.40n = 12, after which we get n = 12/0.40 = 30
Answers:
(1) 0.40n = 12 is the desired equation.
(2) n = 30 is the number of questions on the exam.
(3) See above for explanations.
Answer:
c = 5, c = - 3/2
Step-by-step explanation:
36 divided by s. With s representing the number of shelves.
You have to add/subtract all the common variables the answer is 3x+7y
Its 72-3 which gives you 64 if I'm wrong please tell me what I did wrong if I'm right then your welcome
