It would be 2:6, or 2 to 6.
I hope this helps :)
Total number of bulbs = 64
Number of defective bulbs = 10
Number of good bulbs = 64 - 10 = 54
P(5 good bulbs) = (54/64)⁵ = (27/32)⁵ = 0.428
Answer: 0.428
Deposit = $1900
Amount After interest = $3875.79
% interest = 4%
Interest = 1975.79
Time For Interest Period
4/100 × 1900 × t = 1975.79
76 t = 1975.79
=26 years
Answer = 26years
50.
.25 multiplied by 200 = 50