Question

a number decreased by 20% becomes 400. Find the number​

Answer 1

answer: 80

Step-by-step explanation:  20/100*400

                                            =20*4

                                            =80

Answer 2

Answer:

2000

Step-by-step explanation:

20% of n = 400

20/100 × n = 400

n = 400 × 100/20

n = 2,000

hope it helpss ^_^