In a laundromat, Washing Machine A was used 48 times in a month. This was 4 times the number of times Washing Machine B was used in that same month. Which set of equations shows the number of times Washing Machine B was used during that month? A. ? + 4 = 48 , 48 - 4 = ? B. ? + 4 = 48 , 44 + 4 = ? C. ? x 4 = 48 , 12 x 4 = ? D. ? x 4 = 48 , 12 + 4 = ?
Step-by-step explanation: If washing machine a was used 48 times in one month and that's 4 x the times washing machine b was used, __×4=48, and 12×4=__.