Wat choices when rounded to the nearest hundred thousand will result in 600,000

Jackie bought a bag of oranges. she used 3/8 of the oranges to make orange juice. she used 1/3 of the oranges to make a fruit salad. she put 1/8 of the oranges in a bowl on the table. she put 2/12 of the oranges in the refrigerator. a) jackie left more oranges on the table than she put in the refrigerator. b) jackie used fewer oranges to make orange juice than she left on the table. c) jackie put fewer oranges in the refrigerator than she used to make the fruit salad. eliminate d) jackie used more oranges to make a fruit salad than she used to make orange juice.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )