High School

A scuba diver dives in a straight line from a boat to a coral reef. Before the dive, the diver has 2200 liters of gas in his dive tank. When diving from the boat to the reef, he uses an average of 4.6 liters of gas per meter traveled.

The distance traveled is 34 meters + 123 meters.

How much gas does the diver have in his tank when he reaches the coral reef? Give your answer to the nearest liter.

Answer :

Final answer:

The diver will have approximately 1480 litres of gas in his tank when he reaches the coral reef.

Explanation:

To calculate the amount of gas in the diver's tank when he reaches the coral reef, we need to multiply the average gas usage per meter by the total distance travelled. The diver uses 4.6 litres of gas per metre travelled. The total distance travelled is 34m + 123m = 157m. Therefore, the gas used during the dive is 4.6 litres/m x 157m = 720.2 litres. Subtracting this from the initial 2200 litres gives us the remaining gas in the tank: 2200 litres - 720.2 litres = 1479.8 litres. Rounding to the nearest litre, the diver will have approximately 1480 litres of gas in his tank when he reaches the coral reef.

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