Simple interest $1600.00 at 6% for 180 days
1 answer:
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(1) From the information given, if we want to choose 5 colors from 8 distinct colors and the order in which the selection is made is relevant, then what we have is a permutation.
The formula is given as;
This formula means we need to select/arrange r items out of a total of n items and the anwer derived would be the total number of arrangements possible.
Therefore, we would have;
Therefore, if the order is relevant, this selection can be done in 6,720 ways.
(2) If the order is NOT relevant, then what we need to calculate is a combination and the formula is;
The formula can now be applied as follows;
If the order is not relevant, then the selection can be done in 56 ways.
Answer:
Rhian did better in the Math test.
Step-by-step explanation:
Given: Rhian scored out of
in a Math test. In the English test she scored
out of
.
To find: In which test did she do better?
Solution:
We have,
Rhian scored out of
in a Math test.
Rhian scored out of
in an English test.
So, first we need to find the percentage of the marks scored.
Percentage in the Math test .
Percentage in the English test .
Clearly, the percentage in the Math test is greater than the percentage in the English test.
So, Rhian did better in the Math test.