John is travelling to another country. He flies for 5 hours at an average speed of 750 km/h on one plane.
He then flies for 5 hours 30 minutes at an average speed of 840 km/h on a second plane.
What is the total distance, in km, he travelled by plane?

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8