Casey's dog weighs 56.2 pounds. Janelle's dog weighs 22.65 pounds. How much more does Casey's dog weigh than Janelle's dog? Enter your answer as a decimal in the box. PLes i need help ASAP :(

I think it 78.85 is the answer

Step-by-step explanation:

First u add them together than thats it

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:

the answer to the expression is 83