Written form: fifty thousand eight hundred ninety-seven.
expanded form: 50000+800+90+7
la temperatura promedio fue de 103°
Hello!
Since we know how much they walked in 4/9 of an hour, we will divide 4/5 by 4/9 to get 4/9 to one.

÷

=

They went 1 4/5 mph or
1.8 mph.
I hope this helps!