A.
Explanation;
Just count all the people who bought books, then the people who bought books, giving you 4/15
Answer:
Calculate tip at a restaurant. Enter cost and tip percent to get a tip amount and total dinner amount. Also split the ... Answer is in dollars and cents or rounded to dollars. ... You can find 10% of your bill by moving the decimal one place to the left. ... To find 15%, halfway in between, we know 15% is 10% plus 1/2 of 10% (5%).
Step-by-step explanation:
Let the numbers be 1k, 2k , and 3k respectively
Since the sum of their cubes is 4500,
(1k)³+(2k)³+(3k)³=4500
--> k³(36)= 4500
--> k = 5
Hence, the numbers are: 5,10 and 15 respectively