mimivenga
05.08.2019 •
Mathematics
In a pet store the number of birds is 10 less than twice the number of rabbits. if the pet store has 56 birds, how many rabbits does it have?
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Ответ:
There are 56 birds. And there are 10 less than twice the number of rabbits
let rabbits = r
2r - 10 = 56
Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS. Isolate the r.
add 10 to both sides
2r - 10 (+10) = 56 (+10)
2r = 66
Divide 2 from both sides
2r/2 = 66/2
r = 33
33 is your answer
hope this helps
Ответ:
b = 56
56 = 2r - 10
56 + 10 = 2r
66 = 2r
66/2 = r
33 = r <=== there are 33 rabbits
Ответ:
Pretty suree its B but it is hard
Step-by-step explanation:
please correct me if im wrong