By what percent will a fraction change if its numerator is increased by 30% and its denominator is increased by 20%?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2