bewellplus.gsu.edu
lovelopez lovelopez
  • 29-08-2015
  • Mathematics
Answered

Joan likes to watch the birds in her yard.one morning, she notice that there are twice are many rrobins as bluejays. If she counted 21 bluejays and robins in all, hohow many bbluejays did she count?

Verified Answer :

konrad509
konrad509 konrad509
  • 29-08-2015

x - bluejays
2x - robins

\(x+2x=21\\ 3x=21\\ x=7\)

7 bluejays

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