Question

a stock bottle contains 500 tablets. 100 tablets have been used to fill a prescription. what percentage of the container is left?
90%
85%
80%
75%
pregunta 26
1 puntos
a patient is to take 3 tablets a day for one week. how many tablets are needed to fill the prescription?
15
21
28
42

Explanation:

Pregunta 1

Step1: Calcular número de tabletas restantes

$500 - 100=400$

Step2: Calcular el porcentaje restante

$\frac{400}{500}\times100 = 80\%$

Pregunta 2

Step1: Saber el número de días en una semana

Un semana tiene 7 días.

Step2: Calcular el número total de tabletas

$3\times7 = 21$

Answer:

Pregunta 1: C. 80%
Pregunta 2: B. 21