Question

1. DIVING A submarine descends 32 feet below the surface. It rises 13 feet to look at a coral reef. Write an addition sentence to find its current depth.​

Answer 1

-32 + 13 = -19

Explanation:

It descends 32 feet, which can be said as -32 feet, and then goes up 13 feet, so you add 13 feet. We can then solve and get -32+13=-19