Question

What number when decreased by 20% becomes 480 in full formula

Answer 1

Step-by-step explanation:

Refer to the attachment please.☝️☝️☝️☝️

Answer 2

Answer:

let the no. be x

then,

x-(20x/100)=80x/100

80x/100=480

therefore x =

480×100/80

=600

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