the average of three numbers is 6. the average of the first and second is 7, what is the value of the third number?
1 answer:
Answer:
4
Step-by-step explanation:
the sum of the first two numbers is 7*2=14 and the sum of the three numbers is 6*3=18 then you subtract the answers giving you 4
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210
Step-by-step explanation:
because you use 13.% divided by the price
A: 2.5 pounds= 2.5
B: 2.5 pounds= 1.63
C: 2.5 pounds= 1.25
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Answer:
180=40+(x+20)
x+20=140
x=120
Answer:
-4/5g=-12
-4g=-12x5
-4g=-60
g=15
Answer:
Science Test
Step-by-step explanation:
If he missed 12 points on each test (-12) he missed 2 questions on the math test and 4 questions on the sceince test.
