Answer:
Below in bold.
Step-by-step explanation:
Total number of marbles = 3+4+5 = 12
P(white, red) = 4/12 * 3/11
= 12/132
= 1/11,
P(blue, white, red) = 5/12 * 4/11* 3/10
= 60/1320
= 6/132
= 1/22.
Answer:
$13.50 is the tip
OR
$81.01 is total bill
Step-by-step explanation:
total of bill multiplied by 20%
$67.51 x .20 = $13.50
For total bill amount:
$67.51 + $13.50 = $81.01
We want to find one-half of the reciprocal of 7/sqrt(98). Let's write down an expression for this:
We can rewrite 98 into
The square root of 49 is 7
This should be your answer. Let me know if you need any clarifications, thanks!