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jek_recluse [69]
3 years ago
7

The only types of vehicles sold at a certain dealership last month were sedans, trucks, and vans. If the ratio of the number of

sedans to the number of trucks to the number of vans sold at the dealership last month was 4:5:7, respectively, what was the total number of vehicles sold at the dealership last month?1) The number of vans sold at the dealership last month was between 10 and 20.
2) The number of sedans sold at the dealership last month was less than 10.
Mathematics
1 answer:
guapka [62]3 years ago
5 0

Answer:

Therefore, 32  is he total number of vehicles sold at the dealership last month.

Step-by-step explanation:

We know that the ratio of the number of sedans to the number of trucks to the number of vans sold at the dealership last month was 4:5:7, respectively. We have :

4:5:7 \implies  4x+5x+7x=16x

Therefore, 16x is he total number of vehicles sold at the dealership last month.

We know that:

1) The number of vans sold at the dealership last month was between 10 and 20.

2) The number of sedans sold at the dealership last month was less than 10

We get:

10\leq 7x \leq 20\\\implies x=2\\\\\\4x\leq 10\\x=1 \,   \vee \, x=2

We know that x is a positive integer. In order to satisfy both conditions, this is possible only if x = 2.

We get 16x=16\cdot 2=32

Therefore, 32  is he total number of vehicles sold at the dealership last month.

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Answer:

18.18

Step-by-step explanation:

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70+60+ 7x-4+4x-3=360

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2 years ago
Jeremy and Brenda drove their cars in
harkovskaia [24]

Answer: Jeremy drove 84 miles.

Step-by-step explanation:

Let x represent the number of miles that Brenda drove.

If Jeremy drove twice

as far as Brenda, it means that the distance covered by Jeremy would be 2x miles

When they stopped after some time, they were already

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x + 2x = 126

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3 years ago
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QUESTION Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm.
STALIN [3.7K]
4.3 bc it’s right and i did the assignment
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3 years ago
Please help!
riadik2000 [5.3K]

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Domain is  0 \le d \le 100

Range is  0 \le F(d) \le 150

==============================================

Explanation:

The most money made from selling drinks is $150. Divide this over the cost per drink to get 150/(1.50) = 100; indicating that at most 100 drinks are sold per day. This is the largest that d can get because d represents the number of drinks sold.

The smallest d can get is d = 0 to mean that no drinks are sold.

In short: d is between 0 and 100, including both endpoints. We write 0 \le d \le 100 to indicate this. This is the domain because the domain represents all the possible inputs allowed.

---------------------------------------------------

The range is the set of allowed outputs.

If we plugged in d = 0, then you would find F(d) = 0 as well. If you don't sell any drinks, then you earn $0. This is the smallest item in the range.

On the other side of things, the largest item in the range is 150 because this value was given to us. It's the upper limit or ceiling value of how much money is made from drinks. You can also find this by plugging d = 100, the largest domain value, into the function to get F(d) = 150.

Therefore the range is 0 \le F(d) \le 150 to indicate that F(d) is between 0 and 150 inclusive of both endpoints.

8 0
3 years ago
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