Un tren tenia 150 plazas y el billete costaba 40 euros. El nuevo modelo tiene 14% más de plazas y el billete cuesta un 10% menos ¿Cuántas plazas hay en el nuevo modelo? ¿Cuanto cuesta cada una?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

In angle pqr find the measure of

Which of the following contains a variable?