Molly and Jake go for a hike. They hike 7 miles before lunch. After lunch they continue to hike at a rate of 3 miles per hour. they hike a total of 16 miles that day. Which equation can you use to find the number of hours they hiked after lunch?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)