A jellyfish was 64 feet below sea level. It rose 19 feet. What integer describes the new position of the jellyfish?

45 feet

Step-by-step explanation:

64-19=45

83

Step-by-step explanation:

if it rose you need to add 64+19 correct me if im wrong

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: