Factor 10m from 50m^2+70m^4

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.

Aportion of a line bounded by two points is defined as

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?