Answer:
12.8 so about 13
Step-by-step explanation:
Answer:
x=amount invested at 7%
2x=amount invested at 8%
3x=amount invested at 9%
interest=principal*rate*time (time=1 year)
$150=0.07x+0.08*2x+0.09*3x
$150=0.07x+0.16x+0.27x
$150=0.50x
$1500=5x
x=$300 invested at 7%
2x=$600 invested at 8%
3x=$900 invested at 9%
Step-by-step explanation:
Tell him to stop buying shoes, you wouldnt have this questions.
that would be 1/2 :P
Answer: Y = 7/8x+ 2.25
Step-by-step explanation:
- you would subtract both y 7
- subtract both x -8
- y=7/8x+b
- 3= 7/8 x-2 +b
- 3 = 1.75 + b
- -1.75 -1.75
- 2.25 = b
Answer:
3x-4y=4
Step-by-step explanation: