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Question

In two months a puppy's weight increased from 5 lb 15 oz to 8 lb 5 oz. Find the amount of increase.

Solutions

VerifiedSolution A

Solution B

3.5 (6 ratings)

Answered 2 years ago

Step 1

1 of 3Subtract the weight two months ago from the current weight to obtain:

$\begin{align*} &\quad8\text{ lb} \quad 5\text{ oz}\\ - &\quad\underline{5\text{ lb}\quad 15\text{ oz}} \end{align*}$

Answered 2 years ago

Step 1

1 of 5In this problem, we are given with the weight increase of a puppy from $5$ lb $15$ oz to $8$ lb $5$ oz in two months. First we find the value of the puppy's mass in ounces using the conversion factor $1$ lb = $16$ oz.\ Initial weight:

$\begin{aligned} &W_i = 5 \text{ lb} + 15\text{ oz}\\ &W_i = 5 \cancel{\text { lb}} \bigg(\dfrac{16\text{ oz}}{1\cancel{\text{ lb}}}\bigg) + 15\text{ oz}\\ &W_i = 95\text{ oz} \end{aligned}$

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