Answer:
143
Step-by-step explanation:
lets make a fraction:
so
91 oil changes/7days
lets take "x" as the unknown # of oil changes:
so
x/11
91/7=x/11
we can cross multiply:
91*11=7*x
1001=7x
143=x
so 143 oil changes in 11 days
Hope this helps!
-2 is the correct answer.
Answer:
5x-5
Step-by-step explanation:
Answer:
That is a infinite solutions equation, but to solve this you would have to subtract 3x from both sides and you will get 4=4.
Step-by-step explanation:
3x+4=3x+4
<u>-3x -3x</u>
4=4
The answer would be approximately 9 inches but the real number is 9.42 So B is the answer. I hope this helped ^^