Divide £250 in the ratio 3 : 6 : 1

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

How is working backward similar to solving an equation?

Evaluate the expression. (9 + 5)(3 + 2)0