Answer:
substituting x=5y into 2x-3y=7, Answer: y = 1 x = 5
Step-by-step explanation:
2(5y)-3y=7
10y-3y=7
7y=7
y=1
substitute y=1 into x=5y
x=5(1)
x=5
Answer: 315,250
Step-by-step explanation:
1. Add the numbers together
245,000 + 46,000 + 132,00 + 838,000 = 1,261000
2. Divide by the # of entries (4)
1,215,046 ÷ 4 = 315250
Based on the investment ratio and the amount invested, the amount that Zach invested is<u> $102,857.14. </u>
First thing to do is to add up the numbers in the ratio:
= 1 + 2 + 0.5
= 3.5
The amount that Zach invested is:
<em>= Zach's ration/ Sum of ratio x Amount invested</em>
= 1 / 3.5 x 360,000
= $102,857.14
In conclusion, Zach invested $102,857.14.
<em>Find out more at brainly.com/question/17061956. </em>
