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Elza [17]
3 years ago
8

Cruz has d $10-bills and 3 fewer $20-bills than he has $10-bills. Write an algebraic expression to represent how much money Cruz

has in dollars. Simplify the expression, if possible.
Mathematics
1 answer:
murzikaleks [220]3 years ago
5 0
So Cruz has d amount of 10$ bills.
The value of this money is 10d in dollars.

He has 3 fewer than d amount of 20$ bills.
So he has (d-3) of these 20$ bills.
The value of this money is 20(d-3) in dollars.

The total money that Cruz has is the sum of these values that we've already calculated:
10d + 20(d-3)

From there, you'll need to distribute the 20 to each term in the second set of brackets, and then combine like-terms to simplify.
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11111nata11111 [884]

Complete question :

Tom will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $57.98 and costs an additional $0.14 per mile driven. The second plan has an initial fee of $53.98 and costs an additional $0.16 per mile driven. How many miles would Tom need to drive for the two plans to cost the same?

Answer:

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Step-by-step explanation:

Let miles driven = x

First option :

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Second option :

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First option = second option

57.98 + 0.14 = 53.98 + 0.16x

57.98 - 53.98 = 0.16x - 0.14x

4 = 0.02x

x = 200

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