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After earning interest, the balance of an account is $420. The new balance is 7/6 of the original balance.

Write an equation that can be used to find the original balance b of the account.

420=____

What was the original balance of the account?

$__

How much interest did the account earn?

$__

After Earning Interest The Balance Of An Account Is 420 The New Balance Is 76 Of The Original Balance Write An Equation That Can Be Used To Find The Original Ba class=

Sagot :

NinjaGrizzzly

Answer:

Equation: 420 = 7/6b, Original balance: $360, Interest earned: $60.

Step-by-step explanation:

Since 420 is 7/6 of the original balance, and of means mulitply, we can make this into an equation, the equation is 420 = 7/6b. Let's solve the equation for b. Multiply both sides by 6 to get 2520 = 7b. Now, let's divide both sides by 7. This gets us 360 = b. This means the original balance was $360. Now, let's find the interest earned. We know that 420 is 7/6 of 360, so that means the interest earned was 1/6 of the original balance. Let's make sure, first. 360/6 is 60, and 360+60 is 420, so everything checks out.

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