SOLUTION: 1. Your weekly paycheck is 10 percent less than your coworker's. Your two paychecks total 750 Find the amount of each paycheck. Your coworker's is : and yours is . 2.Phyllis

Question 439669: 1. Your weekly paycheck is 10 percent less than your coworker's. Your two paychecks total 750 Find the amount of each paycheck.
Your coworker's is : and yours is .
2.Phyllis invested 40000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 2270 dollars. How much money did she invest at each rate?
3.What are the dimensions of the fenced in area if he only has 380 yards and the length is 30 yards more than 3 times the width?
Width: yards
Length: yards
can u please help me solve these i am helping troubles understanding
Answer by jorel1380(2518) (Show Source):
You can put this solution on YOUR website!
1.x+.90x=750
1.9x=750
x=750/1.9=394.73
.9x=355.26
You make $355.26. Your co-worker makes $394.73
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2.x+y=40000
.05x+.06y=2270
Multiply the second equation by 100:
5x+6y=227000
6x+6y=240000
x=13000
y=27000
$13000 was invested at 5%. $27000 was invested at 6%.
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P=2W+2L
380=2W+2(3W+30)
380=2W+6W+60
320=8W
40=W
LxW=150'x40'.