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: 1/9
Explanation: these types of repeating decimals are equivalent to the fraction that has the number doing the repeating in its numerator and the number 9 in its denominator.
Hope this helps!
Answer:
36 &49
Step-by-step explanation:
6²=36
7²=49
Answer:
A. It keeps track of a driver's offenses so that they can suspend his license if they need to
Step-by-step explanation:
The DMV keeps a record of a person's driving history. This records any accidents or another traffic offenses like red light violations or speed violations etc.
Each traffic violation is assigned a point on a person's driver record. Hence, it is used to keep track of a driver's offenses so that they can suspend his license if they need to.
She sold 5 large bracelets.
