Answer:
<u>0.081</u>
Step-by-step explanation:
7.29 divided by 90 = <u>0.081</u>
We know that
<span>1. The number of all 4-letter words written using the alphabet of 20 symbols (from A to T) is
20</span><span>^4=160,000
</span><span>
2. The number of all 4-letter words written using the alphabet of 19 symbols (from B to T) is
19</span><span>^4=130,321
</span><span>
3. The difference represents exactly the number of all words of the inhabitants of the island of Jumble
difference=</span>(160,000-130,321)= 29679.
the answer is
29679
8ft by 12ft
the real question is why they randomly switched from metric to standard system. :P
BAF and FAD is the answer
