Question

The pizza costs £6.40

this is 20% less than the original price.
what was the original price of the pizza?

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Answer 1

8

Explanation:

Price : %

`x` : 100

6.4 : 80 (Got 80 by 100 - 20)

Cross multiply

100*6.4 = 80
`x`

640 = 80
`x`

640/80 =
`x`

`x` = 8