6 pack for $3.79
- Divide 6 by 3.79
- 6/3.79 = 1.58
- This pack is $1.58 per bottle
9 pack for $4.50
- Divide 9 by 4.50
- 9/4.50 = 2
- This pack is $2.00 per bottle
12 pack for $6.89
- Divide 12 by 6.89
- 12/6.89 = 1.74
- This pack is $1.74 per bottle
The pack of 6-pack of bottled water for $3.79 costs the least per bottle ($1.58).
Answer:
9/10
Step-by-step explanation:
first you find the lowest common denominator. 1/2 becomes 5/10, 2/5 becomes 4/10. 5/10+4/10=9/10
Answer:
The second one is 33
The first one is 17
Step-by-step explanation:
For the first one your just adding three the second one your just adding 8
Step-by-step explanation:
40÷12= 3.33
so it approximately takes him 3hrs and 18minutes
so 9:15 + 3hrs 18 minutes is 12: 33 pm?
Answer:
and
Step-by-step explanation:
The equation of the isotope decay is:
14-Carbon has a half-life of 5568 years, the time constant of the isotope is:
The decay time is:
(There is no a year 0 in chronology).
Lastly, the relative amount is estimated by direct substitution: