A water pitcher weighs 1.72 kg when empty and 2.01 kg when filled with water. How much does the water weigh?
1 answer:
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Answer:
$
Step-by-step explanation:
Let the cost of one brownie,
cost of one cookie
Times on both sides on the second equation above to get the following:
To find the value of , use substitution:
the cost of a brownie is $
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Answer:
The coefficient of is 3.
Step-by-step explanation:
The coefficient of an equation is the number that is multiplied by the varible. In this equation, is being multiplied by 3, so the coefficient is 3.