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:
I don't really understand but did u try khan academy?
Answer:
9b+1
Step-by-step explanation:
combine like terms
7b-1b+3b=9b
Answer:
a.–12 – 18
Step-by-step explanation:
We have to compute the difference (the subtraction) between the new, colder temperature, which is equal to -12 °C, and the original temperature, which is equal to 18 °C, that is:
colder temperature - original temperature
Replacing with data:
-12 °C - 18 °C = -30 °C
Answer:
11 years
Step-by-step explanation:
14 divide 2=7
7 divide 2=3.5
3.5 divide 2 = 175 subtract 1 extra year to turn to 200. So the answer is 11.
