El número favorito de mi amigo tiene 3 cifras. Si sabemos que los tres dígitos suman 10, el primer dígito es igual a la suma de los otros dos, y que el primero más el segundo equivale al cuádruple del tercero, ¿cuál es ese número?

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field