First start by adding them to find how many total marbles there are
10+40=50 there are 50 marbles and 10 of them are white
10 is 20% of 50 so 20% of the marbles are white
I hope I've helped!
180/12 = 15
so if he spent less than 180 at most 14 people, including himself went.
Answer:
y
=
−
1
2
⋅
(
x
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2
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2
−
1
Step-by-step explanation:
To convert a quadratic from y = ax2 + bx + c form to vertex form, y = a(x - h)2+ k, you use the process of completing the square. Let's see an example. Convert y = 2x2 - 4x + 5 into vertex form, and state the vertex. Equation in y = ax2 + bx + c form.
Very glad I could help you!1
