Answer:
n = 14
Step-by-step explanation:
7(n + 1) -2(4n-3) = -1
7n + 7 -8n + 6 = -1
-n + 13 = -1
-n = -14
n = 14
9/200 For the fraction,
4.5% For the percent. Just move the decimal point to the right twice to find the percent. The link is for the calculator to find fractions to decimals fast.
https://www.calculatorsoup.com/calculators/math/decimal-to-fraction-calculator.php
First find the probability of each color being drawn.
We need to find the total number of marbles first.
4 + 3 + 6 = 13
So everything will be over 13.
Probability of a white marble being drawn --> 
Probability of a blue marble being drawn --> 
Probability of a red marble being drawn --> 
Now to find the probabilities of more than one being drawn, we can multiply.
Part a :

Part b :

Part c :

Part d :
