terryjessicaa
03.12.2019 •
Mathematics
Given a b and c is not parallel to a or b,
which statements must be true?
3 /
4
select each correct answer
5/6
7/8
om75= m_12
9/10
11/12
om_1=m25
om27=m/11
o m/4=m45
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Ответ:
(L + 10)/(L + 16) = 0.8
Step-by-step explanation:
She needs to answer L more questions to get a grade of 80%.
When she answers L more questions correctly, she will have answered L + 10 questions correctly.
The total number of questions will be L + 16.
L + 10 must be 80% of L + 16
(L + 10)/(L + 16) = 0.8