asdfghrtyujnbvfr asdfghrtyujnbvfr
  • 22-09-2020
  • Mathematics
contestada

Two less than four-fifths of a number is seven. What is the number?

Respuesta :

foodball23 foodball23
  • 22-09-2020

Answer:

11.25

Step-by-step explanation:

7+2=9, 9÷[tex]\frac{4}{5}[/tex]=11.25

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harryjupiter148
harryjupiter148 harryjupiter148
  • 22-09-2020

Answer:

The number is 11¼.

Step-by-step explanation:

[tex] \frac{4}{5} \times x - 2 = 7 \\ \frac{4}{5} x - 2 = 7 \\ \frac{4}{5} x = 7 + 2 \\ \frac{4}{5} = 9 \\ \frac{ \frac{4}{5} }{ \frac{4}{5} } x = \frac{9}{ \frac{4}{5} } \\ x = 11 \frac{1}{4} [/tex]

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