Answer:
10. The number of cupcakes Sheldon would have to buy to recieve the same number of cupcakes in a package would be 30 cupcakes in a package.
Step-by-step explanation: Find the least common denominator (LCD) of six and ten which is, 30.
11. The greatest number of necklaces Samuel would have to make is four.
Step-by-step explanation: Divide 148 necklaces by 36 strings and the answer will be four necklaces.
12. The greatest length, in feet, of each piece of ribbon Karen, would have to cut is six feet.
Step-by-step explanation: Find the greatest common denominator (GCD) of 18 and 12 which is, six.
13. Find the least common denominator of five and three which is, 15 minutes.
Explanation:
Jacob will finish his laps in these following minutes, supposing he starts at zero.
3 minutes, 6 minutes, 9 minutes, 12 minutes, 15 minutes...
That is, all instants of time which are multiples of three.
Betty
5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, ...
That is, all instants of time which are multiples of five.