What's w?
Well without W, we just have to trial and error.
R could be 2.
7w - 3r = 15
7w - 3(2) = 15
7w - 6 = 15
7w = 21
/7 /7
w = 3
So if W = 3, R could be 2.
Answer:
21 cents
Step-by-step explanation:
All you have to do is divide 42/2
Becuase 14 is 7 doubled
X*.50= the longer chain
X is how long the first chain is.
It is correct, because they wanted 50% more. More meaning multiply so you would multiply x the first chain times how mor long it needs to be.
Answer: 4.5 hours
<u>Step-by-step explanation:</u>
