Question

Sandra has 13 times as many fish asTony. Tony has 7 fish. Let n be thenumber of fish Sandra has. Which is-a correct number sentence to showhow many fish Sandra has?

Answer 1

We are told that the number of fish that Sandra has is n. We are also told that if we take the total number of fish that Tony has, and multiply it by 13, we get the total number of fish that Sandra has. As we know that Tony has 7 fish, then the expression of multiplying it by 13 would be

`13\cdot7`

and as we know this quantity is the number of fish that Sandra has (n), we would have

`13\cdot7=n`

this means that option A is the correct answer