Jaden has 3 times as many pieces of gum as Brian has. Jaden has 150 pieces of gum. How many pieces of gum does Brian have?
2 answers:
Answer:
Brian has 50 pieces of gum
Step-by-step explanation:
Jaden has three times as many
Therefore-
n x 30 = 150
We need to solve for n
You can do that by dividing 150 by 3
150/3 = 50
So Brian has 50 pieces
50 pieces.................,,,,,,
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solution:
\sum ei =0
that is
\sum (yi-yiˆ)=0
means,
\sumyi = \sum yiˆ
yi = \alpha +\beta xi+ei
yiˆ=\alphaˆ+\betaˆxi
so,
\sumei=0
hence proved
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