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geniusboy [140]
3 years ago
11

At a middle school , 38% of all seventh graders have taken swimming lessons. There are 250 students in the seventh grade. How ma

ny of them have taken swimming lessons?
Mathematics
1 answer:
yanalaym [24]3 years ago
3 0

Answer:

95

Step-by-step explanation:

38% of 250 is 95.

250 / 100 is 2.5

2.5 x 38 = 95

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3 0
2 years ago
Jason decided to look at new trucks. Jason found a used truck for 34,000 dollars. A new truck is 40,000 dollars so what percent
nexus9112 [7]

Answer:

Percent of rise of a new truck on a used truck  = 15%

Step-by-step explanation:

Let x be the percentage of saved money if Jason buying a used truck.

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Price of the used truck = $34,000

Price of the new truck = $40,000

We need to find the percent of rise Jason saves on a used truck rather than buying a new truck

Solution:

Using a percentage formula.

percentage\ cost = \frac{(100-x)}{100}\times Original\ cost

Substitute Percentage cost = 34,000 and Original cost = 40,000 in above formula.

34000 = \frac{(100-x)}{100}\times 40000

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Using cross multiplication rule.

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3 years ago
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