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IRISSAK [1]
2 years ago
10

Marvin has decided to buy some toys to share with some children at the daycare center his sonattends. He buys 4 dolls for d doll

ars each, 12 race cars for r dollars each, and 8 coloring books for cdollars each. If Marvin had 40 dollars to spend, which expressions show how much money Marvin hasafter his purchase
Mathematics
1 answer:
muminat2 years ago
3 0

The expression that show the amount of money that Marvin has after his purchase is 400 - (4d + 12r + 8c)

Amount with Martin = $40

Since he buys 4<em> dolls</em> for d dollars each, 12 <em>race cars</em> for r dollars each, and 8 coloring books for c dollars each, the total value will be:

= (4 × d) + (12 × r) + (8 × c)

= 4d + 12r + 8c

Therefore, the expression that show the amount of money that Marvin has after his purchase will be:

= 400 - (4d + 12r + 8c)

Read related link on:

brainly.com/question/24429956

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Answer:

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Step-by-step explanation:

Given

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5 0
3 years ago
A rectangular parking lot has a perimeter of 384 meters. The length of the parking lot is 36 meters less than the width. Find th
-Dominant- [34]

Answer:

The length and width of the parking lot is 78 meters and 114 meters respectively.

Step-by-step explanation:

Given;

Perimeter of the parking lot = 384\ m

Solution,

Let the width of the parking lot be x.

Then, according to question length = (x-36).

The perimeter of a rectangle is sum of all the sides of rectangle. Which is given by an expression;

perimeter=2\times(length+width)

Now substituting the values, we get;

384=2\times(x-36+x)\\\frac{384}{2}=(2x-36)\\192=2x-36\\192+36=2x\\2x=228\\x=\frac{228}{2}= 114

Width = 114\ m

Length = x-36=114-36=78\ m

Hence the length and width of the parking lot is 78 meters and 114 meters respectively.

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2 years ago
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3 years ago
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6 0
3 years ago
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