The depth of a swimming pool is 180cm. Every week, evaporation causes it to be reduced in depth by 1cm. The depth of a second swimming pool is 175cm. Every week, evaporation causes it to be reduced in depth bu 1/2cm per week. If the depths of both swimming pools continue to be reduced at these constant rates, in about how many weeks will the swimming pools have the same depths?
ACT Rates

Quiz
•
Mathematics
•
10th Grade
•
Easy
Aaron Rawson
Used 1+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car travels at a constant speed of 60 km/h. How long will it take to cover a distance of 180 km?
2 hours
3 hours
4 hours
5 hours
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A container is filled with 150 liters of water. If water leaks from the container at a rate of 2 liters per hour, how many hours will it take for the container to be empty?
75 hours
60 hours
72 hours
80 hours
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cyclist travels a distance of 90 km in 3 hours. What is the average speed of the cyclist in km/h?
30 km/h
25 km/h
20 km/h
35 km/h
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Car A holds 15 gallons of gas in its tank and burns a gallon of gas for every 20 miles it travels. Car B holds 12 gallons of gas in its tank and burns a gallon of gas for every 30 miles it travels. Both cars begin their journey at the same time with full tanks of gas. About how many miles would the cars have to travel before both cars have the same amount of gasoline in their tanks?
180
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Car A holds 16 gallons of gas in its tank and burns a gallon of gas for every 20 miles it travels. Car B holds 12 gallons of gas in its tank and burns a gallon of gas for every 32 miles it travels. Both cars begin their journey at the same time with full tanks of gas. About how many miles would the cars have to travel before both cars have the same amount of gasoline in their tanks?
384 miles
213 miles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Car A holds 16 gallons of gas in its tank and burns a gallon of gas for every 20 miles it travels. Car B holds 14 gallons of gas in its tank and burns a gallon of gas for every 30 miles it travels. Both cars begin their journey at the same time with full tanks of gas. About how many miles would the cars have to travel before both cars have the same amount of gasoline in their tanks?
120 miles
180 miles
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