<span>LCM(7,18,21) </span>Least Common Multiple is :<span> 126 </span>
Calculate Least Common Multiple for :
7, 18 and 21
Factorize of the above numbers:<span> 7 = 7
<span> 18 = 2 • 32 </span>
<span> 21 = 3 • 7 </span></span>
Answer: the number of Micheal Crichton novels that Riley have in his book collection is 12
Step-by-step explanation:
Riley has 40 novels so far in his book collection. 9/10 of these novels is fiction. It means that the number of fictional novels in his collection is
9/10 × 40 = 36
Of these fictional novels, 1/3 of them were written by Micheal Crichton. It means that the number of his fictional novels that was written by Micheal Crichton is
1/3 × 36 = 12
Answer:
Sanchez-97
Washington-117
Step-by-step explanation:
X is between 80 and 90, if the square root of a number (x) is 9, you would do 9x9 to solve for x, x=81