Answer:
83 points
Step-by-step explanation:
-The formula for average is given as:

Let a be his 5th score and (a+4) of the 6th
#We subtract the sum of the first 4 tests from the 6, to get the sum of the 5th and 6th tests:

#We substitute for the 5th and 6th to solve a:

Hence, Karl score 83 points in his 6th test.
Answer:
200 students 300 non-students.?
Step-by-step explanation:
Answer:
52°
Step-by-step explanation:
since EB bisects ∠RED, ∠REB = ½× ∠RED.
and the equation could be :
5x-3=½(8x+16)
5x-3=4x+8
5x-4x=8+3
x = 11
so, ∠BED = ∠REB = 5x – 3 = 5(11)-3
= 55-3 = 52°
Answer:
b
Step-by-step explanation:
12 bottles = 6 liters
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Find 1 bottle
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12 bottles = 6 liters
1 bottle = 6 ÷ 12
1 bottle = 0.5 liters
1 bottle = 500 ml
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Answer: 1 bottle = 500 ml
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