Angelo invested
$4,000
into two accounts. one account paid
4%
interest and the other paid
9%
interest. he earned
6%
interest on the total investment. how much money did he put in each account?

The amount invested in account that paid 4% was $2,400

The amount invested in account that paid 9% was $1.600

Step-by-step explanation:

Let

x -----> amount invested in account that paid 4%

(4,000-x) -----> amount invested in account that paid 9%

we know that

The linear equation that represent this scenario is

Solve for x

therefore

The amount invested in account that paid 4% was $2,400

The amount invested in account that paid 9% was $1.600

function 2 has a greater rate of change than function 1

function 2 has a greater y-intercept than function 1

step-by-step explanation: