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?

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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!