Word word problems problems 1 ) for one english test, mary correctly answered 31 questions. these correct answers gave him a percent score of 72.09%. in total, how many questions were on this english test? round your answer to the nearest whole number if necessary.

31 / x = 72.09 / 100

31 / x = 0.7209

31 = 0.7209x

31 / 0.7209 = x

x = 43

In total, there were 43 questions on this English test!

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: