During the first month of life, a newborns weight increases by $30$ %. If a newborn weighs w pounds when it is one month old, which of the following expressions represent the babys weight at birth?

(0.3) w

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(1.3) w

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\frac{w}{1.3}

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\frac{1.3}{w}

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Solution

The correct option is C $\frac{w}{1.3}$
Newborns weight increases in one month $=$ $1 + \frac{30}{100} = 1.3$
So, if newborn weighs $w$ pounds when it is in one month old $=$ $\frac{w}{1.3}$ is the expression represent the baby's weight at birth.

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During the first month of life, a newborns weight increases by 30%. If a newborn weighs w pounds when it is one month old, which of the following expressions represent the babys weight at birth?

The correct option is C w1.3Newborns weight increases in one month = 1+30100=1.3So, if newborn weighs w pounds when it is in one month old = w1.3 is the expression represent the baby's weight at birth.

During the first month of life, a newborns weight increases by $30$ %. If a newborn weighs w pounds when it is one month old, which of the following expressions represent the babys weight at birth?

The correct option is C $\frac{w}{1.3}$
Newborns weight increases in one month $=$ $1 + \frac{30}{100} = 1.3$
So, if newborn weighs $w$ pounds when it is in one month old $=$ $\frac{w}{1.3}$ is the expression represent the baby's weight at birth.