Answer:
40
Step-by-step explanation:
no. of defective light bulbs= 8/100×500
= 40
The first one 6 second 8 but it’s funny
Answer:
Step-by-step explanation:
It says Renita takes minutes to ride half a mile.
She leaves 30 minutes before school.
Total distance is

In

Therefore total time to reach school will be 5 x 5 = 25minutes.
Since she leaves 30minutes before school. She will reach 5minutes early before school.
Answer:
x + 1
Step-by-step explanation:
3x - (2x + 4) + 5
3x - 2x - 4 + 5
x - 4 + 5
x + 1
Answer- 9 students preferred vanilla
Hope this Helps! :)