The pressure in car tires is often measured in pounds per square inch (lb/in.2lb/in.2), with the recommended pressure being in the range of 25 to 45 lb/in.2lb/in.2. Suppose a tire has a pressure of 25.5 lb/in.2lb/in.2 . Convert 25.5 lb/in.2lb/in.2 to its equivalent in atmospheres. Express the pressure numerically in atmospheres.

25.5 pounds per square inch are equivalent to 1.735 atmospheres.

Explanation:

An atmosphere equals 14.695 pounds per square inch. We find the equivalent of given pressure in atmospheres by means of simple rule of three:

25.5 pounds per square inch are equivalent to 1.735 atmospheres.

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+15-35=-20

going in opposite directions