The density of venus, compared to earth having a density of 1, is 0.943. the density of mercury is 0.983, compared to the density of earth. which planet has a greater density, venus or mercury?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.