Asked by LAnae
a total of $ 14,000 is invested in two funds paying 4% and 5% annual interest. The combined interest is $620 a)write a system of equations to model this problem b). graph this system and use the graph to estimate how much was invested in each fund?
Answers
Answered by
Reiny
how about
x+y = 14000
.04x + .05y = 620 --- 4x + 5y = 62000
graph using intercepts,
for x+y = 1400 ---> (0,14000) (14000,0)
for 4x+5y=62000 --->(0,12400), (15500,0)
on your grid, let each unit be 1000
x+y = 14000
.04x + .05y = 620 --- 4x + 5y = 62000
graph using intercepts,
for x+y = 1400 ---> (0,14000) (14000,0)
for 4x+5y=62000 --->(0,12400), (15500,0)
on your grid, let each unit be 1000
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