The solution to the problem is as follows:
Given: 2.5 lb
Asked: 2.5 lb -----> kg
Answer:
2.5 lb * ( 1 kg/2.2 lb) = 1.1 kg
Therefore, the weight of the book in kg is 1.1 kg.
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Answer:
$243.
Step-by-step explanation:
We can use algebra here.
Let x = the original price.
Then 1/3 x - 27 = 54
1/3x = 54 + 27 = 81
x = 81 / 1/3
x = 81 * 3
x = $243 (answer).
Answer:
337.5
Step-by-step explanation:
4 1/2*5*3 3/4
We know that:

Substituting known values, we have:

Answer:
you can
Step-by-step explanation:
they are not like terms because the number 6 has and x next to it and 17 doesn't