What statement makes the open sentence 3x + 20 = 5x + 6 true? x = 2 x = 4 x = 7 x = 13

Brent wants to know what is 5 x 1/2

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?