The bill at the end of a meal was £20.40 .10% was added as a service charge how much wad added

$2.04

Step-by-step explanation:

The bill at the end of a meal was £20.40

10% was added

service charge was added = $(20.40 x 10/100)             [x%=x/100]

                                             =$2.04

Good evening ,

(£20.40) + £20.40 × 10% = 20.40+(20.40×10÷100) = £22,44.

:)

no

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft