Three times as many robinsas cardinals visited a bird feeder. If a total of 20 robin and cardinals visited the feeder, how many

Question

borishaifa [10]

3 years ago

7

Three times as many robinsas cardinals visited a bird feeder. If a total of 20 robin and cardinals visited the feeder, how many

were robins

Mathematics

1 answer:

Agata [3.3K] · Answer 1 · 2021-12-01T08:49:53+03:00

Agata [3.3K]3 years ago

4 0

X=# of cardinals
3 times as many robins as cardinals visited the feeder, so # of robins=3x
robins+cardinals=20, so x+3x=20
4x=20
x=5 cardinals
20-x=15 robins