Respuesta :
18...as half a can can paint 1 chair which means full can can paint two ...thats =9*2=18
so with 1/2 cans she can paint 1 chair !
then with 1 can, she can paint 1/(1/2)= 2 chairs !
so with 9 cans , she can paint , 9×2 =18 chairs ......answer .....!!
then with 1 can, she can paint 1/(1/2)= 2 chairs !
so with 9 cans , she can paint , 9×2 =18 chairs ......answer .....!!