Help me pls T^T (pls explain)

so what is 5 * 20 you would want to add it up just so you know the meters is the pounds and you can just add it to kilograms and that's all you need to know about meters and kilograms and grams just in for you know and it's like a night it's actually like yes 20 distance and it's like 17 distances from away

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

the total distance traveled by the car is

30km + 49km = 79 km .