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

Answer:

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 {\dfrac{80}{{\cancel{100}}}}\times {\cancel{20}}$

$\longrightarrow$$\sf {\dfrac {80}{5}}$

$\longrightarrow$$\sf 16$

$\therefore$ The student answered 16 problems correctly