Over the weekend, the all smiles run had 16,478 participants for the half marathon. the all smiles 10k had 6,924 participants, and the 5-mile walk had 3,067 participants.
how many more people participated in the half marathon than in the 10k race and the 5-mile walk combined?
a. 6,487
b. 6,587
c. 9,991
d. 12,621

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?