Traci has a coupon for $2.50 off a box of name-brand cereal that normally costs
$12.78. The store-brand cereal costs
$10.98.
How much will Traci save if she uses her
coupon and buys the name-brand cereal
instead of the store-brand cereal?

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