For every 2 hours that Robert spends studying for a math test he spends 3 hours working on English. If he spends 21 hours one month on the math project, how many hours did he probably spend studying fir his English test?

Respuesta :

Answer:

31.5 hours

Step-by-step explanation:

2 hours for every 3 hours English so 21 divided by 2 =10.5 so 3 times 10.5 = 31.5 hours