Answer:
Options B, C, D, F are correct answers
Step-by-step explanation:
Hope it helps you in your learning process.
Tim has 84 more postcards than Paul.
Step-by-step explanation:
Given,
Total number of postcards = 280
Let,
Tim's share of postcards = x
Shawn's share of postcards = =
Paul's share of postcards =
According to given statement;
Taking LCM
Dividing both sides by 2
Paul's share =
Difference = Tim's share - Paul's share
Difference = 140 - 56 = 84 cards
Tim has 84 more postcards than Paul.
Keywords: addition, fraction
Learn more about fractions at:
#LearnwithBrainly
Answer:
1.65 minutes
Step-by-step explanation:
10 9/10 + 5 3/5 = 16 1/2
16 1/2 divided by 20 = 1.65 or 33/20
Answer:
Alan = 24, Tiki = 30, Hans = 48
Step-by-step explanation:
let x be the number of texts alan sent
Alan: 24
Tiki: 24 + 6 = 30
Hans: 24 * 2 = 48
The half-life of carbon-14 is 5730 years, so you have
.. 0.662 = 2^(-t/5730) . . . . . . . . . . . . . . . . . t is age in years (before present)
.. log(0.662) = -t/5730*log(2)
.. t = -5730*log(0.662)/log(2) ≈ 3410 . . . . years