Question

A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly? (round to the nearest whole number)

(Please answer with explination)

Answer 1

Required Answer:-

• A student earned 80% in a math test which has 20 problems.
• It means The student answers 80% of 20 problems correctly

`\longrightarrow`
`\sf 80\%\:of\:20`

`\longrightarrow`
`\sf {\frac{80}{{\cancel{100}}}}* {\cancel{20}}`

`\longrightarrow`
`\sf {\frac {80}{5}}`

`\longrightarrow`
`\sf 16`

`\therefore` The student answered 16 problems correctly