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Karo-lina-s [1.5K]
3 years ago
10

kelvin has 112 stamps in all. The ratio of the number of local stamps to the number of foreign stamps is 7:9. How many more fore

ign stamps than local stamps does Kelvin have?
Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Kelvin has 14 more foreign stamps than local stamp.

Step-by-step explanation:

Given,

Total number of stamps = 112

Ratio of local stamps to foreign stamps = 7:9

Let,

The number of local stamps = 7x

The number of foreign stamps = 9x

7x+9x=112\\16x=112\\x=7

Therefore,

Number of local stamps = 7x = 7(7) = 49

Number of foreign stamps = 9x = 9(7) = 63

Difference = 63 - 49 = 14

Kelvin has 14 more foreign stamps than local stamp.

Keywords: subtraction, variable

Learn more about variables at:

  • brainly.com/question/10525991
  • brainly.com/question/10534381

#LearnwithBrainly

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Numbers whose only factors are 1 and itself is known as prime numbers , numbers whose factors besides 1 and itself are composite numbers, we can use the sieve of Eratosthenes to determine whether the number is prime or composite.

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