First, Rico walked for 3/10 of a mile which is 30/100 of a mile.
Hen, Rico walked for 24/100 of a mile.
Then you add 24/100 and 30/100. 24+30/100 which is 54/100.
Answer=54/100 of a mile
The answer is 255cm<span>²</span>
There correct answer to that question is 22.45
283.5 because 6.75 times 21 is 141.75 then u need to mulitply it by 2.