<h3>Given</h3>
n packages of pencils are purchased at $1.40 each
m pads of paper are purchased at $1.20 each
<h3>Find</h3>
the meaning of 1.4n
the meaning of 1.2m
the meaning of 1.4n + 1.2m
<h3>Solution</h3>
1.4n is the <em>number of dollars spent on packages of pencils</em>
1.2m is the <em>number of dollars spent on pads of paper</em>
1.4n + 1.2m is the <em>total amount spent on the supplies</em>
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%
Answer:
the answer for you is 195,312
