Suppose an investment of $3,800 doubles in value every decade. the function f(x) = 3,800·2x f ( x ) = 3 , 800 · 2 x gives the value of the investment after x decades. how much is the investment worth after 2 decades?

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

If 20% of a number is 35, what is 50% of that number?

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?