Answer:
25% decrease
Step-by-step explanation:
Percent change can be found by doing difference/original
(950,000 - 712,500) / 950,000
= 0.25
There was a 25% decrease in the population
Answer:
.000007
Your question was in scientific notation. You move the decimal back 6 times.
L*W=51
L=W+4
Replace L with W+4: (W+4)*W=51
W²+4W-51=0
use the quadratic formula to find W:5.4 (sorry cannot type the formula here)
the length is 5.4+4=9.4
It is a solution of a system of linear equations