Answer:
2.8
Step-by-step explanation:
ur welcome i hope this helps
Substitute for x.
g(20)= 2(20-4)
g(20)=32.
x=32.
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So, she has 3hrs to grade all papers, for 35 students.. alrite.
the first 5, she does them in 30minutes.. what's the speed rate? well, 5/30 or 1/6
now, she has still 2 hours and a half, or 150 minutes, to do the remaining 30 papers... she has to work at a rate of 30/150 then... which is 1/5 simplified.
now if we take 1/6 as the 100%, what is 1/5 in percentage then?

so 1/5 is 120% in relation to 1/6... meaning the rate of 1/5 she needs to move through, namely 1 paper every 5 minutes, is 20% faster than 1/6.
Where is the diagram?
Can't be solved without it.
Answer:
+65
Step-by-step explanation:
If you distribute negative with negative it gives you positive