A top costs £48 in a sale after a 20% reduction. What is the original cost of the top before the sale?

£60

Step-by-step explanation:

Let the original cost be x.

x × (1 - 20%) = 48

0.8x = 48

x = 48/0.8

x = 60

The original cost was £60 before the sale.

i think the answer is b)

step-by-step explanation:

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.