If the change in the number of pounds is p, the change in the cost will be $11c.
This is because each pound costs $11.
The triplets are each 9 years old.
You can subtract 12 from 39 to get 27, then divide by 3 because of the three other kids
Step-by-step explanation:
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Answer:
x = - 1
Step-by-step explanation:
Length ( l ) = 2x + 8 cm
Width / Breadth ( b ) = 2 cm
Area ( rectangle ) = 12 cm
Formula : -
Area ( rectangle ) = lb
12 = ( 2x + 8 ) ( 2 )
Divide 2 on both sides,
12 / 2 = ( 2x + 8 ) ( 2 ) / 2
6 = 2x + 8
2x + 8 = 6
2x = 6 - 8
2x = - 2
x = - 2 / 2
x = - 1
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