Mai and Rafael walk around a track. Mai walks each lap in minutes. Rafael walks each lap in minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.

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.

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Which number line correctly shows 0.8 + 0.3?