1. The

length and width vary inversely in a rectangle of a given area. A given rectangle

has sides of length 18 cm and width 12 cm. Find the length of a rectangle of

the same area whose width is 8 cm.

2. The

speed and time of travel vary inversely when driving a given distance. Juan

drives 45 mi/h for 6 h to visit his grandmother on a snowy day. He drives at 55

mi/h for his return trip home. How long did the return trip take?

3. The

current and resistance vary inversely in a circuit with a given voltage. In a

240-volt circuit, the current is 8 amperes and the resistance is 30 ohms. Find

1. The

length and width vary inversely in a rectangle of a given area. A given rectangle

has sides of length 18 cm and width 12 cm. Find the length of a rectangle of

the same area whose width is 8 cm.

2. The

speed and time of travel vary inversely when driving a given distance. Juan

drives 45 mi/h for 6 h to visit his grandmother on a snowy day. He drives at 55

mi/h for his return trip home. How long did the return trip take?

3. The

current and resistance vary inversely in a circuit with a given voltage. In a

240-volt circuit, the current is 8 amperes and the resistance is 30 ohms. Find

the current if the resistance is 80 ohms in a circuit with the same voltage.

4. The

number of people working on a project and the time it takes to complete a project

vary inversely, assuming everyone works at the same rate. If it takes three painters

24 days to paint all of the rooms in a motel, how many painters are needed to

paint all of the rooms in 8 working days?

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