(2x-1)×4=8x-4
I hope it helps ;)
I have only begun my Freshman Year of High School, and therefore I can only answer #2. Assuming they arrived at camp somewhere in the afternoon on the 188th day, take the amount of coffee and create a proportion for ounces of coffee/pound of coffee. Do this for all 27 pounds of coffee, because there are only three pounds left, and divide it by the amount of days the travel took. This method of solving will give you the answer.
Answer:
thr answer is C.
Step-by-step explanation:
because the time was already 3 hours and there were already 12 gallons of water
Step-by-step explanation:
First, let's distribute the 
variable to each term in the first parenthesis:
Next, let's distribute the variable to each term in the second parenthesis:
Next, let's group like terms together:
Finally, let's add or subtract like terms to get the result:
Answer: He read 40% of the total time.
Step-by-step explanation:
As per given,
Total time he spent = 2 +1+2 = 5 hours
Number of hours he spent on reading = 2 hours
The percent of the total time he read = 
i.e. The percent of the total time he read = 40%
Hence, he read 40% of the total time.
