The answer is 15. Just count the spaces between A and D.
X - invested for the money at 11%
70 000 - x - deposited at 12%
0.11x + 0.12(70000-x)=7900
0.11x + 8400 - 0.12x = 7900
8400- 7900 = 0.01x
500 = 0.01x
x=50 000 invested at 11%
rest (20K) invested at 12%
x(3.4+4.6+2.2)
x(10.2)
Each hiker will carry 10.2 lbs
if there are x hikers they will carry 10.2*x lbs
Answer:
On the top right, it keeps adding a 1 by 2 for it to grow larger
Step-by-step explanation: