Which equation has the least steep graph? A. y = -x + 5 B. y = -10x - 8 C. y = 4x - 3 D. y = x + 2
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You do what is asked for in the parentheses then multiply by the number outside of them.
Let's say that the value invested in the account with a rate of 8% is "x", then the amount invested in the account with a rate of 12% is:
To calculate the total interest we need to calculate the interest of each individual account and sum them:
The total interest is the sum of the two expressions above:
The value invested in the account with 8% interest is 830, the one invested in the account with 12% interest is 1280.