Answer:
(a) [tex]\sf 450 \ miles \ per \ hour[/tex]
(b) 675 miles in [tex]\sf 1\frac{1}{2} \ hours[/tex]
explanation:
(a)
- given time: [tex]\sf 4\frac{2}{3}[/tex]
- distance: 2,100
unit rate:
[tex]\sf \dfrac{total \ distance}{total \ time}[/tex]
[tex]\sf \dfrac{2100}{\sf 4\frac{2}{3}}[/tex]
[tex]\sf \dfrac{2100}{\sf \dfrac{14}{3}}[/tex]
[tex]\sf 450 \ miles \ per \ hour[/tex]
(b)
distance: speed * time
distance: [tex]\sf 450 \\[/tex] * [tex]\sf 1\frac{1}{2}[/tex]
distance: 675 miles
