Solution:
1 kilogram = 1000 grams
Each can weighs 40 grams
Number of cans = {1000}/{40}

1000 ÷ 40 = 25

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Annette is onducting a study for an oil company. Her equiptment can analyze the minerals in the rocks at a rate of 5cm per minute. 90 minutes it will take the equiptment to scan a section that is 4.5 meters long
Solution
4.5 meters × 100 centimeters/meter = 450 centimeters
450 centimeters ÷ 5 centimeters/minute = 90 minutes

Volume of one room = Length × Width × Height
Volume of one room = 14 ft × 11 ft × 8 ft
Volume of one room = 1232 ft³
Total volume of water flooding the area = Volume of one room × Number of rooms
Total volume of water flooding the area = 1232 ft³ × 3
Total volume of water flooding the area = 3696 ft³

Total possible outcomes:
Each die has 6 sides, so for 5 dice the total number of outcomes is:
6^5 = 7776
Favorable outcomes:
For all dice to show the same number:
- Choose 1 number out of 6 (e.g., all 1s, all 2s, etc.).
- There is only 1 way for all 5 dice to show that number once chosen.
So, favorable outcomes = 6
Probability:
P = 6 / 7776 = 1 / 1296
The probability is 1/1296 (about 0.00077 or 0.077%).

Count total socks
- Black: 2 pairs = 4 socks
- Red: 3 pairs = 6 socks
- White: 4 pairs = 8 socks
- Gray: 1 pair = 2 socks
Total = 4 + 6 + 8 + 2 = 20 socks
Probability (first sock white)
Number of white socks = 8
P(first white) = 8/20 = 2/5
Probability (second sock black, given first was white)
After taking 1 white sock, remaining socks = 19
Number of black socks still = 4
P(second black | first white) = 4/19
Multiply probabilities
P(first white AND second black) = (8/20) × (4/19)
= 32/380
= 16/190
= 8/95
The probability is 8/95 (= 0.0842 or 8.4%).