Answer:

Step-by-step explanation:
El enunciado pregunta la cantidad inicial de cinta utilizada por Jennifer, la cual es la suma de la porción utilizada y la porción remanente:




Answer:

Step-by-step explanation:
Move
to the denominator in 
using the negative exponent rule 
33 * 3 + 3/3 = 100
I do not believe u have to use all of the operations because it says " at most once ".
Answer:
I thin’ the answer is D