3/(5/4) = x/1
x = 12/5 = 2.4 Problems/h
His average speed is 634/13 = 48,77 miles/hour. Well, he's fast :D
Answer:
7x-10
Step-by-step explanation:
The letter 'C' has 2 lines of symmerty
the upper-case 'D' has 2 lines of symmetry
the uper -case 'E' has 2 lines of symmetry
the upper case 'H' has 2 lines of symmetry
the upper case 'I' has 2 lines of symmetry
the small case 'L' has 2 lines of symmmetry
the letter 'O' has infinite lines of symetry
the letter 'x' has 4 lines of symmetry