A diver went 48.3 feet below the surface of the ocean, and then 10.8 feet further down, he then rose 11.35 feet. Write and solve an expression to find the diver’s new depth.

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Answer these questions showing your work plz

9/10 divide by -3/15 as a mixed number