Total street lights: 60
Streets lights that need to be replaced: 24
Lights that not need to be replaced:
Total lights- lights that need to be replaced:
60-24 = 36 lights do not need to be replaced.
Percentage:
The Total number of lights multiplied by the percentage of not replaced lights in decimal (x) form must be equal to 36.
60x=36
Solve for x:
x =36/60
x= 0.6
Multiply by 100 to obtain the percentage:
0.6 x 100 = 60%
