By using unitary method, Cost of 11 bags of chips is $6.6.
What is unitary method?
It is a method where we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.
Given
Christine has bought 6 bags of chips that she bought for $3.60.
Cost of 11 bags of chips = ?
6 Bags ⇒ $3.60
11 Bags ⇒ X
6X = 11 × 3.60
X = [tex]\frac{11(3.6)}{6}[/tex]
X = [tex]\frac{11(36)}{60}[/tex]
X = [tex]\frac{33}{5}[/tex]
X = 6.6
Thus, Cost of 11 bags of chips is $6.6.
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