Simplify the expression: 3/1+ 1/2d
A girl walked 12km at 3km/h and cycled 18km at 9km/h. What was her average seed for the whole journey?
Please help me with this question I sooooooo do not understand
Michyyy4life
Asked:
December 2022
Twelve boys and n girls sat for a test. The mean of the boys' scores and that of the girls were 5 and 8 respectively. find n if the total score was 180.