Question

Carmen trains 2 dogs at a time to roll over and to fetch . if rolling over takes 10.3 min and fetching takes 0.25 min . which expression determine how many days to train 4 dogs 4×(10.3+0.25) or

[2×(10.3 +0.25)]×2 or 2 x (10.3+0.25)
thanks

Answer 1

4×(10.3+0.25) is the correct answer