Answer: First Option is correct.
Step-by-step explanation:
Since we have given that
Number of hours Chance can wash the car = 2 hours
Number of hours Sandy can wash the car = 4 hours
Work done by Chance per hour is given by

Work done by Sandy per hour is given by

Work done by altogether per hour is given by

So, Number of hours they take if they together wash the car is given by

Hence, First Option is correct.
Answer:
2
Step-by-step explanation:
Tyra used 6 kilograms total to fill up all bird feeders.
Answer:
1/3 is the answer
Step-by-step explanation: