A mercury-in-glass thermometer is to be used to measure the temperature of some oil. The oil has mass 
and specific heat capacity 
. The actual temperature of the oil is 
. The bulb of the thermometer has mass 
and an average specific heat capacity of 
. Before immersing the bulb in the oil, the thermometer reads 
. The thermometer bulb is placed in the oil and the steady reading on the thermometer is taken. Determine
the steady temperature recorded on the thermometer
the ratio 
.
.
