Answer: 45
Step-by-step explanation: just multiply the two number together
It takes alvin 20 weeks, and it takes buzzy 15 weeks
Answer:
3/4 meter
Step-by-step explanation:
Need Common denominators to compare size
2/6 3/4 4/9 which is longer than 2/3?
2/6 compared to 2/3. 2/6 = 2/6 and 2/3 = 4/6.
2/6 < 2/3 so 2/6 is too short
3/4 compared to 2/3 3/4 = 9/12 and 2/3 = 8/12
3/4 > 2/3 so 3/4 is longer than 2/3
4/9 compared to 2/3 4/9 = 4/9 and 2/3 = 6/9
4/9 < 2/3 so 4/9 is too short
Answer: d. (17, 20)
Step-by-step explanation:
We have the following system of equations:
(1)
(2)
Isolating
from (1):
(3)
Substituting (3) in (2):
(4)
Isolating
:
(5)
(6)
(7)
Substituting (7) in (1):
(8)
Isolating
:
(9)
Hence, the correct option is d. (17, 20)