A few days ago
please help quickly math homework?
1)one girl has 9 cents less than another together they have 29cents how much does each girl have
2)a and b share 21 cents so that b gets twice as much as a how much does a get
Top 3 Answers
A few days ago
Favorite Answer
a + 9 = 29
-9……….-9
a = 20 cents
a + 2b = 21
a = 7
7 + 2(7) =
7 + 14 = 21
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A few days ago
girl 1= x-9
girl 2= x
x+x-9=29
2x=38
x=19, girl 1 = 10 girl 2=19
a=x
b=2x
x+2x=21
3x=21
x=7
a=7 b=14
0
A few days ago
1)
x+x-9=29
2x-9=29
+9 to both sides
2x=38
divide both sides by 2
x=19
2) i dont want to just GIVE you the second answer, but i will set it up for you:
2b+b=21
0
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