Question

at the space center, karen bought a model of a shuttle. She started working on the model the next day at 11:11 A.M. She worked until leaving for lunch at 11:51 A.M. After lunch, she worked on the model again from 1:29 P.M. until 1:48 P.M. How long did Karen work on the model?

Answer 1

51-11=40 minutes

48-29=19

40+19= 59 minutes

I hope that helped. :)