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part 2...expression using numbers and variables....need help with number 3 ..hello please help me with my math summer package and explain it in a way that a 7th grader can understand it

asked Jun 7, 2023 50.1k views

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Cammie · Answer 1 · 2023-06-12T15:01:46+0000

Step-by-step explanation:

Given:

The number of figurine dolls in one case is

$55dolls\text{ }in\text{ }1case$

Part A:

To figure out the number of figurine dolls in

We will use the formula

$number(dolls)=number(dolls\text{ per case\rparen}* number(cases)$

By substituting the values, we will have

$\begin{gathered} number(dolls)=number(dolls\text{percase}\operatorname{\rparen}*(number(cases) \\ number(dolls)=55*750 \\ number(dolls)=41250dolls \end{gathered}$

Hence,

The final answer is

$\begin{equation*} 41250dolls \end{equation*}$

Part B:

To figure out the number of figurine dolls in

By substituting the values, we will have

$\begin{gathered} number(dolls)=number(dolls\text{percase}\operatorname{\rparen}* number(cases) \\ number(dolls)=55*1000 \\ number(dolls)=55000dolls \end{gathered}$

Hence,

The final answer is

Part C:

To figure out the number of figurine dolls in

By substituting the values, we will have

$\begin{gathered} number(dolls)=number(dolls\text{percase}\operatorname{\rparen}* number(cases) \\ number(dolls)=55*1250 \\ number(dolls)=68750dolls \end{gathered}$

Hence,

The final answer is

$\begin{equation*} 68750dolls \end{equation*}$

Part D:

Let the number of dolls be repressented by

To figure out the number of figurine dolls in

$c\text{ }cases$

By substituing the values, we will have

$\begin{gathered} number(dolls)=number(dolls\text{percase}\operatorname{\rparen}* number(cases) \\ d=55* c \\ d=55c \end{gathered}$

Hence,

The expression is given below as

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