Respuesta :

Answer:

This means that Alex answered 14 questions correctly

Step-by-step explanation:

Step 1:  Find an equation

20 * 0.7 = x

Step 2:  Multiply

20 * 0.7 = x

14 = x

Answer:  This means that Alex answered 14 questions correctly

Answer:

14 right answers and 6 wrong answers

Step-by-step explanation:

To get a 70% you have to get 14 questions right and 6 wrong