Answer:
8 quarters and 12 nickles
Step-by-step explanation:
8*25=2.00
12*.05=.60
Answer:
10 songs
Step-by-step explanation:
20 + 1x = 3x
20 = 2x
10 = x
—
20 + 1(10) = 3(10)
20 + 10 = 30
30 = 30
Answer:The answer is 1 and 3
Step-by-step explanation:
<span>"If one of you comes to our tree, then our population will be double that of yours."
So </span>

<span>"If one of you comes here, then our population will be equal to that of yours."
</span>

Rearranging these to make A the subject gives:


Then solve for B:

Substitute B back in to an equation:
<u>So there are seven birds in A, and 5 birds in B</u>