9. Weighted Averages
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Number | Price | Total | |
---|---|---|---|
Metallic Balloons | b | $2 | $2b |
Bunches of Helium Balloons | b−36 | $3.50 | $3.50b−$126 |
If b is the number of metallic balloons that were sold, we can complete the given table.
Number | Price | Calculation | Total | |
---|---|---|---|---|
Metallic Baloons | b | $2 | $2⋅b | $2b |
Bunches of Helium Balloons | b−36 | $3.50 | $3.50(b−36) | $3.50b−$126 |
LHS+126=RHS+126
Add terms
LHS/5.50=RHS/5.50
ca⋅b=ca⋅b
Calculate quotient