Answer:
Step-by-step explanation:
Part A
This is a combination problem. Order does not matter.
36C6
36!/(30! 6!)
36 * 35 * 34 * 33 * 32 * 31/ 6!
1402410240/6!
1947792
Part B
1 / (36C6)
0.000000513 or
0.0000005
11. The answer would be 3:30 because in all it took her 3:50 minutes so subtract from 7:20 you get 3:30
Answer:
Maximum $11.28
Step-by-step explanation:
Let remaining money be x
- 13.72 + x ≤ 25
- x ≤ 25 - 13.72
- x ≤ 11.28
He can spend maximum of $11.28 in September
Let Sydney's age be x
Christine's age is 2x
Sum of their age is 54
x + 2x = 54
3x = 54
x = 18
Sydney is 18 years old.
