Question

65% of a no. is 21 less than 4/5​

Answer 1

Step-by-step explanation:

Given that : 65%Of a number =4/5-21

Let the number be A

=>65%×A =4/5-21

=> (65/100)A=(4-21×5)/5

=>13A/20=(4-105)/5

=>13A/20=-104/5

=>A=(-104/5)×(20/13)

=>A= (-104×20)/(5×13)

=>A=-2080/65

therefore A=-32

The required number be -32