Respuesta :
294 apps will need to be downloaded in order to earn $84 dollars
Explanation: you have to divide 21 by 6 which is 3.5 and then you multiply 84 by 3.5 which equals 294
Explanation: you have to divide 21 by 6 which is 3.5 and then you multiply 84 by 3.5 which equals 294