Question

After adding 45% of a number to the number we get 507.5what was that number?what percentage of 507.5 will be subtracted from it to get the number?

Answer 1

Step-by-step explanation:

Given After adding 45% of a number to the number we get 507.5what was that number?what percentage of 507.5 will be subtracted from it to get the number?

•                          Let the number be p.
•                          According to question
•                           45% of P + P = 507.5
•                          45 / 100 x P + P = 507.5
•                        45 P + 100 P / 100 = 507.5
•                                   145 P = 50750
•                               Or P = 50750 / 145
•                                       Or P = 350
• So the number is 350
• Now 507.5 – P/100 x 507.5 = 350
• So – 507.5 P = 350 – 507.5
• Or 507.5 P / 100 = 157.5
• Or 507.5 P = 15750
• Or P = 15750 / 507.5
• Or P = 31.03%

Reference link will be

https://brainly.in/question/11685354