Answer:
15
Step-by-step explanation:
A. B. C. D. please help
1 answer:
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<h2>Time taken by Helga to wax the car is 72 minutes</h2>
Step-by-step explanation:
Let w be the work of waxing.
Rosita can wax her car in 2 hours or 120 minutes.
Time taken by Rosita = 120 minutes
Let time taken by Helga be t,
When she works together with Helga, they can wax the car in 45 minutes.
We have
Time taken by Helga to wax the car is 72 minutes
Answer: B. Square
Step-by-step explanation:
- All sides of a square have the same length
- All four angles of a square = 90°
- A square has two parallel sides
