Question

Leroy started with a number, multiplied it by itself added 9, multiplied the result by 10,added 4, multiplied the result by 5, and obtained 4520. Which number did Leroy start with? ​

Answer 1

Answer:

9 is the answer, 4520/5=904-4=900/10=90-9=81, 9x9=81

Step-by-step explanation:

4520/5=904 -4=900 /10=90 -9=81, 9x9=81