The sum of three consecutive even numbers is 78. what is the first number

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle