Question

An engineering student answered 81 questons correctly ona 90 question test. What percent of the question did she answer correctly? questions correctly on a 90 question test. What percent of the questions she answered correctly?

Answer 1

Answer:

correct answer = 90%

Step-by-step explanation:

Let x be the percent of the question did she answer correctly.

Given:

An engineering student answered 81 questions correctly on a 90 question test.

Find the percent of the question did she answer correctly.

Solution:

Percentage formula is given below

% answer $=\frac{correct\ answer}{total\ questions}\times 100$

% answer $=\frac{81}{90}\times 100$

% answer $=\frac{81\times 100}{90}$

% answer $=\frac{81\times 10}{9}$

% answer $=9\times 10$

% answer $=90$

correct answer = 90%

Therefore, she answered 90% correctly.