ned took a test with 25 questions. He lost 4 points for each of the 7 questions he got wrong and earned an additional 11 points
for answering a bonus question correctly. How many points did ned receive or lose overall?
1 answer:
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Step-by-step explanation:
Given that,
We need to find the statement are true for .
On corss multiplying, we get :
or
Hence, these are the equivalent expressions.