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Nookie1986 [14]
4 years ago
13

If 2⅕ of a number is 5. what is the number?​

Mathematics
1 answer:
Black_prince [1.1K]4 years ago
6 0

Answer:

The number is ;

25/11

Step-by-step explanation:

Let- the -unknown- number- be ; x\\2\frac{1}{5} \times x =5\\\\\frac{11x}{5} =5\\Cross-Multiply\\11x = 25\\Divide- both-sides-of-the-equation -by ;  x\\\frac{11x}{11} =\frac{25}{11} \\x = 25/11\\\\x = 2\frac{3}{11}\\

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