Question

Stella and Ryan are working on their math homework. It takes Stella h hours and m minutes to complete her assignments. Ryan was out sick for a few days so it takes him twice as long. Which expression would represent the amount of time it takes Ryan to complete his assignments? 2(h -m) 2(h + m) h - m h + m

Answer 1

In fact, none of the above. It is 2(60h+m).