Problemas
Rodney's current savings account can be represented by the expression 9^8-x . His brother's savings account can be represented by the expression 27^x-3 Their accounts are compounding yearly After how many years will their accounts have the same amount of money? (1)/(5)years 5 years -5years
Roztwór
Silvia
professionell · Tutor durante 6 años
4.4
(166 Votos)
Respuesta
To solve this problem, we need to find the value of x that makes the two expressions equal.Given:Rodney's savings account:
His brother's savings account:
We want to find the value of x when the two accounts have the same amount of money.Step 1: Set the two expressions equal to each other.
Step 2: Rewrite the expressions with the same base.
Step 3: Rewrite the expression with the same base.
Step 4: Rewrite the expression with the same base.
$9^{8-x} = 3^{