x = k/2 + 11/2
Step-by-step explanation:
hope this helped :)
Answer:

Step-by-step explanation:
I used Desmos a graphing calculator to find it by plotting the points. I then found the "a" in the equation to find the "d". I know this doesn't sound helpful so can someone else please explain better than me???
Answer:
90 Minutes
Step-by-step explanation:
If he took 27 minutes to do 30% of his homework, then we can reverse the operation to find the total amount
30% is the same as 0.3, therefore you divide 27 by 0.3 because the 100% is 1, so by dividing you'll get the 100%.
Answer:
to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00
difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars
1/5 (18-11) I believe this is what you mean?