Try another version of this question Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
A thermometer reading `67 ℉` is placed in an oven preheated to a constant temperature. Through a glass window in the oven door, an observer records that the thermometer reads `303 ℉` after `1/2` minute and `405 ℉` after `1` minute. How hot is the oven?
Round answer to the nearest multiple of 10.
`℉`
Enter DNE for Does Not Exist, oo for Infinity `480`