A test has 40 questions. Denise finished #2/5# of the questions in the first 10 minutes and #1/2# of the remaining questions in the next 15 minutes. How many questions had Denise answered after 25 minutes?

Question

3482 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-01-03T20:51:54

Denise had answered #28# questions after #25# minutes.

The first step is to see what #2/5# of #40# is

#2/5 * 40=16#.

Then, we can subtract this number from #40#

#40-16 = 24#

Now, we can see what half of #24# is. This is #12#.

Finally, we add

#12+16= 28#

Hope this helps!