Mean of the 5 is the average
lets solve for what score gets 80
and lets say last score is x
so
(sum of scores)/4=80
(62+75+90+x)/4=80
(227+x)/4=80
times 4 both sides
227+x=320
minus 227 from both sides
x=93
yo need a 93
good luck
Hello!
0.85b-0.2b
0.65b
0.65b=0.65b
So these expressions are equivalent.
Hope it helps!
~Just a determined gal
#CarryOnLearning
I think that the answer is: 2, 896
If it is wrong I’m so so sorry..
Well, Mathematics can enhance your analytical and problem-solving skills, expands the mind to handle difficult or unfamiliar tasks, and also promotes cautious and careful thinking. Once you know what the words mean you'll be able to write different variable expressions. Like I said it enhances our minds and helps think and solve probelms.
Answer:
Step-by-step explanation:
<u>Direct relationship formula:</u>
<u>Finding the coefficient k based on given:</u>
<u>For x = 5 we get the value of y:</u>
Answer is 20 books over 5 months