A steel rule is calibrated for measuring lengths at 20.00 C. The rule is used to measure

Question:

A steel rule is calibrated for measuring lengths at 20.00 °C. The rule is used to measure the length of a Vycor glass brick; when both are at 20.00 °C, the brick is found to be 25.00 cm long. If the rule and the brick are both at 80.00 °C, what would be the length of the brick as measured by the rule?