k/2 -k/5 -k/6 = 2 Multply all terms by 30: 15k -6k -5k = 60 4k = 60 k = 15
2
40
0.05
40
√(40)=k√(10) Isolate k by dividing both sides by √(10) √(40)/√(10)=k √(40/10)=k √(4)=k k=2
No because 1/2 of 40 is 20 and 40 divided by 1/2 is 80.
9.05
Because 40 can be divided by 2 with no remainder.
20
40 can be divided by 1, 2, 4, 5, 8, 10, 20, 40.
40.2857