We have been given that Tess ran [tex]\frac{4}{3}[/tex] kilo-meters each day for 2 days.
Let us find total distance traveled by Tess in 2 days by multiplying [tex]\frac{4}{3}[/tex] by 2 as:
[tex]\text{Distance traveled by Tess in 2 days }=\frac{4}{3}\times 2[/tex]
[tex]\text{Distance traveled by Tess in 2 days }=\frac{4\times 2}{3}[/tex]
[tex]\text{Distance traveled by Tess in 2 days }=\frac{8}{3}[/tex]
We are also told that Cam ran [tex]\frac{2}{3}[/tex] kilo-meters each day for 5 days.
Let us find total distance traveled by Cam in 5 days by multiplying [tex]\frac{2}{3}[/tex] by 5 as:
[tex]\text{Distance traveled by Cam in 5 days }=\frac{2}{3}\times 5[/tex]
[tex]\text{Distance traveled by Cam in 5 days }=\frac{2\times 5}{3}[/tex]
[tex]\text{Distance traveled by Cam in 5 days }=\frac{10}{3}[/tex]
Since [tex]\frac{10}{3}[/tex] km is greater than [tex]\frac{8}{3}[/tex] km, therefore, Cam ran more kilo-meters in total and option B is the correct choice.