Answer: 3) 772.5 kg
Step-by-step explanation: That's what I got and I'm 100% sure that's the answer
Answer:
x = 1
Step-by-step explanation:
First simplify and get 3x + 3 = x + 5
Then subtract x from both sides and get 2x + 3 = 5
Then subtract 3 from both sides and get 2x = 2
Divide both sides by 2 and get x = 1
Answer:
4.

Step-by-step explanation:

Using Quadratic Formula


Solving the discriminant:



Once 

Dividing the denominator and numerator by 6

Now rewrite it:


or

Answer:
12p + 4d = n
Explanation:
p stands for pizza, d for drinks. And the unknown amount of money spent here is represented by n.
p + d will be our total, that's why it is addition.