Hi I am here to help :). I think the answer would be 7/4. Good luck!
Answer:
B. 120
Step-by-step explanation:
10% = 
No. of left-handed students = × 1,200
= 120
Answer: I think 13
Step-by-step explanation:
Answer:
4 hours
Step-by-step explanation:
For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:
120 +20x = 50x
120 = 30x . . . . . . . . subtract 20x
4 = x . . . . . . . . . . . . . divide by 30
The electrician worked 4 hours that day.
Answer: The answer is D
Step-by-step explanation:
