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:
3 cups
Step-by-step explanation:
1/3 + 2/3 = 1 cup so you would subract 1 from 4 which is 3
hope this helps:)
Answer: x-5 / x
Step-by-step explanation:
because…
