Mathematics, 14.01.2020 10:31 knutsonellie741
Aradioactive substance decays exponentially. a scientist begins with 100 milligrams of a radioactive substance. after 35 hours, 50 mg of the substance remains. how many milligrams will remain after 54 hours?
Answers: 3
Mathematics, 21.06.2019 17:30, tristan4233
Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.
Answers: 2
Mathematics, 21.06.2019 18:00, bvaughn6477
Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?
Answers: 1
Mathematics, 22.06.2019 01:00, justkevin1231
You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?
Answers: 1
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