In 1950, there were 40.3 million cars registered in the United States. In 1990, there were 133.7 million cars registered in the United States. What was the percent increase of registered cars from 1950 to 1990?
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Final answer:
The number of registered cars in the US increased by about 231.76% from 1950 to 1990, calculated by finding the difference between the two given values, then dividing this by the initial value and multiplying by 100 to get the answer as a percentage.
Explanation:
The question is asking for a percent increase in the number of registered cars in the United States from 1950 to 1990. To calculate a percent increase, you first need to determine the amount of the increase, then divide this by the original amount, and multiply by 100 to get the answer in percent form.
The number of registered cars in the United States increased from 40.3 million in 1950 to 133.7 million in 1990. The amount of increase is therefore 133.7 (1990 number) - 40.3 (1950 number) = 93.4 million.
Next, we find the percent increase by dividing the increase by the original (1950) amount and multiplying by 100: (93.4 / 40.3) x 100 = Approximately 231.76%. So, there was roughly a 231.76% increase in the number of registered cars in the United States from 1950 to 1990.
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So she'd have 14 pieces.
(4,9)
(3,-10)
(3,3)
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Answer:
(3,-10)
Step-by-step explanation:
(3,-10)
x - y > 0
3 - (-10) = 13
13 > 0
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I think this is right but you can double check too
Final answer:
To solve the problem, we set up a linear equation as $260 = $200 + $12x. After rearranging and solving the equation, we find that Miguel would need 5 cans of paint for a job worth $260.
Explanation:
The question pertains to solving a linear equation derived from a real-life scenario. In the given problem, Miguel has a set fee of $200 and then charges $12 per can of paint. If he has a job worth $260, to find how many cans of paint (represented by x) he'd need, we'll use the formula: total cost = set fee + (cost per can * no. of cans).
So, the equation in our case becomes: $260 = $200 + $12x.
To solve this equation, perform the following steps:
- Subtract $200 from both sides to get $60 = $12x.
- Next, divide both sides by $12, so x = $60 / $12.
- After performing the division, you'll find that x = 5.
So, Miguel would need 5 cans of paint for a job worth $260.
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