An engineering student answered 81 questons correctly on a 90 question test. What percent of the question did she answer correct
ly?
1 answer:
Answer:
90% of the questions she answered correctly
Step-by-step explanation:
%age = 81/90 * 100= 90 % correctness
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Answer:
D
Step-by-step explanation:
11 per 1,000
Say x is the number
7x +3 = 39 -2x
Add 2x to each side
9x +3 =39
Subtract 3 from each side
9x =36
Divide by 9 on each side
x=4
Hope this helped
Yes those are odd numbers
Answer:
The answer is 2 -option b
