A. 1/2=3/6
1/2=1/6+1/6+1/6=3/6
1/2= 3x1/6=3/6
We will see that there are 156,000 different combinations, so the correct option is C.
<h3>How many possibilities are there? </h3>
First, we need to find the selections, here we have:
- First letter.
- Second letter.
- Third letter.
- Number.
Now we need to find the number of options for each of these selections.
- First letter. (26 options)
- Second letter. (25 options, because we can't repeat letters)
- Third letter. (24 options)
- Number. (10 options).
We assumed that the number can be any integer from 0 to 9.
The total number of possibilities is equal to the product between the numbers of options, we will have:
P = 26*25*24*10 = 156,000
So, the correct option is C.
IF you want to learn more about combinations.
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3 units + 1 unit = 4 units (the sum of 2nd and 3rd)
4 units + 4 units = 8 units (sum of all properties)
*The other 4 units comes from the first property as the first property's value is the same as the sum of the 2nd and 3rd.*
8 units = $560 000
1 unit = $560 000÷8 = $70 000 (3rd)
3 units = 3x$70 000= $210 000 (2nd)
$210 000 + $70 000=$280 000 (1st)
Ans:
1st property costs $280 000.
2nd property costs $210 000.
3rd property costs $70 000.
