Tony took a math quiz last week. there were 80 problems on the quiz and tony answered 70% of them correctly. how many problems did tony get correct?

56

(not a question but just trying to ) : )

56 problems

Step-by-step explanation:

So we already know that the answer is: 56. However, a good help is knowing how to obtain this answer from the data provided.

Tony's quiz had 80 questions

Tony correctly answered 70% of them.

We can always write a percentage amount as a ratio by dividing the amount by 100.

.

This means that for every 100 questions, tony will respond correctly 70.

So, if Toni did a questionnaire of n questions, the amount that will answer correctly is calculated by the following expression:

If then:

The correct answer is 56.

Step-by-step explanation:

We are given that there were 80 problems on the quiz and Tony answered 70% of them correctly.

We are are to find the number of problems Tony get correct.

Problems Tony got correct = = 56

Therefore, Tony got 56 problems right out of 80 on his math quiz.

a. is correct

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3