Jorge compra 520 litros de vino a 0.45 euros el litro a esos 520 litros de vino le añade 42 litros de agua y vende la mescla a 0.85 euros el litro ¿ cuál es la ganancia de gorge ?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.