Microsoft maths somebody is saying
One company wants $10 per 3.5 hours, so they want 10 / 3.5 ≈ 2,86 dollars per hour (after rounding to the closest hundreths).
Second company wants $1.25 per half an hour, so they want 2 * 1,25 = 2,50 dollars per hour.
The unit rate is 2,86:2,50
Answer:
<em>(675°F − 32) × 5/9 + 273.15 = 630.372K </em>
Hope it's right if not so sorry :)