Question

if i earn $255 dollars in 6.8 hours how much will i earn in 28.4 hours please work this problem out and show me how its done

Answer 1

Hello,

This is called in french
une règle de Trois ( rule of three)

For a time of in hour----------------->you earn in $
6.8--------------------------------------->255
1----------------------------------------->255/6.8
28.4------------------------------------->255/6.8 * 28.4=1065 ($)

Answer 2

divide 255 by 6.8 = 37.5 multiple it with 28.4 = 1,065