The amount $A$ of money on deposit for $t$ years in an account earning simple interest is a linear function of $t$. Express that function as an equation if $A = \$ 85$ when $t = 8$ and $A = \$ 40$ when $t = 3$.
A) $A = 40 t - 13$
B) $A = 9 t + 13$
C) $A = - 9 t + 13$
D) $A = 9 t - 13$
E) $A = 40 t + 13$

Question

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The Answer of The amount $A$ of money on deposit for $t$ years in an account earning simple interest is a linear function of $t$. Express that function as an equation if $A = \$ 85$ when $t = 8$ and $A = \$ 40$ when $t = 3$.
A) $A = 40 t - 13$
B) $A = 9 t + 13$
C) $A = - 9 t + 13$
D) $A = 9 t - 13$
E) $A = 40 t + 13$

The Amount AAA Of Money on Deposit For ttt Years in an Account Earning Simple Interest Is a Linear

The Amount $A$ Of Money on Deposit For $t$ Years in an Account Earning Simple Interest Is a Linear