3/4b-1/6=1/2×b
1.75b=.3
b=0.2
I believe this is right. But not 100%
The income of the man in discuss as in the task content is; rs 10,200.
<h3>What is the income of the man?</h3>
Since, it follows that 100 paisas make one rupee. This insinuates that the income tax rate which corresponds to 5 paisa per rupee is; 5%.
Hence, the amount earned by the man in discuss can be evaluated as follows;
(5/100) × Income = 510
Hence, Income = 510/0.05 = rs 10,200.
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There are 625 different 4-digit codes only made with odd numbers.
<h3>
</h3><h3>
How many different combinations can you make?</h3>
To find the total number of combinations, we need to find the number of options for each one of the digits.
There are 4 digits, such that each digit can only be an odd number.
- For the first digit, there are 5 options {1, 3, 5, 7, 9}
- For the second digit, there are 5 options {1, 3, 5, 7, 9}
- For the third digit, there are 5 options {1, 3, 5, 7, 9}
- For the fourth digit, there are 5 options {1, 3, 5, 7, 9}
The total number of different combinations is given by the product between the numbers of options, so we have:
C = 5*5*5*5 = 625.
There are 625 different 4-digit codes only made with odd numbers.
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