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katovenus [111]
3 years ago
8

Julie recently drove to visit her parents who live 120 miles away. On her way there her average speed was 20 miles per hour fast

er than on her way home (she ran into some bad weather). If Julie spent a total of 5 hours driving, find the two rates.
Mathematics
1 answer:
mart [117]3 years ago
5 0
40mph average there totaling 3 hours, 60mph back, totaling 2 hours. 5 hours total.
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nikitadnepr [17]

Answer:

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Step-by-step explanation:

The variables are defined as follows:

<em>t</em> = the number of  toppings

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It is provided that:

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(a)

The algebraic equation to find the total cost for ice cream depending on the number of  toppings is:

C = 0.29<em>t</em> + 2.50

(b)

Compute the number of toppings Mr. Torrance can buy if  he wants to spend only $4.00 on it as follows:

C = 0.29<em>t</em> + 2.50

4.00 = 0.29<em>t</em> + 2.50

0.29<em>t</em> = 4.00 - 2.50

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= $1605

Total amount earned :

$4000 + $1605 = $5,605

5 0
3 years ago
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