The least common denominator of 1/2, 1/8, and 1/10 is
a. 10.
b. 40.
c. 16.
d. 80.

Option B.

Step-by-step explanation:

Descompose the denominator of each fraction into its corresponding prime factors. Then:

Now you need to choose the commons a non-commons with the highest exponent. These are: 2³, 1 and 5.

Finally you need to multiply them to get that the Least common denominator of is. Therefore, this is:

This matches with the option B.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas