Question

Zaira is getting 2 questions wrong per every seven. In total 245 questions how many is she getting wrong?

Answer 1

Answer:

70 questions

Step-by-step explanation:

You can make a proportion.

$\frac{2}{7} =\frac{x}{245}$

Multiply across:

7x=490

Divide by 7:

x=70

Final answer

70 questions