Answer: Ok so what i'v got for this one is that i averaged up all three numbers and i got an average of about 85%. Now you have to put in a fourth number which will actually be another 80% i believe
Step-by-step explanation: add up all 3 divide them all by the numbers then once your done with that plug in the 80% and see what your answer will be.
Answer:
3x+12
Step-by-step explanation:
You need to do 3 times x which equals 3x and then do 3 times 4 and get 12 so it ends up as 3x+12
hope this helps
stay safe:)))
brainliest is appreciated
this person keeps copying and reporting my questions and then saying i copied them so im sorry if that happens :(
Answer:
x=9
Step-by-step explanation:
2x+12=5x-15
3x=27
x=9