Answer:
12 pencils
Step-by-step explanation:
let no. of pencils bought be x.
54 - 0.75x - 2.50 = 42.50
9 = 0.75x
x = 12
Topic: algebraic equations
If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!
Answer:
The answer to your question is k =
Step-by-step explanation:
Equation
5 - vk = k
Process
1.- Add vk in both sides
5 - vk + vk = k + vk
2.- Simplification
5 = k + vk
3.- Factor k (like terms)
5 = k(1 + v)
4.- Divide both sides by "1 + v"
5 / (1 + v) = k(1 + v) / (1 + v)
5.- Simplify
5 / (1 + v) = K
She deposits 120 a month for 4 months.
Multiply: 120 x 4 = 480
Add 480 to the starting amount:
-25.50 + 480 = 454.50
The answer is B. $454.50
Answer:
i need pointsss
Step-by-step explanation: