Question

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.

Answer 1

Given

The current balance is $420.

The current balance is 7/6 of the original balance, b

Find

equation to use to find b

Solution

Equate the two descriptions of the current balance.

... $420 = (7/6)b . . . . . equation to use to find b