Respuesta :
So first we multiply
3 2/5 x 15 =
17/5 x 15/1 =
255/5 = 51
Then, we multiply it by 3
51 x 3 = 153 + 7 x 3 = 153 + 21 = 174
So the expression should be: 3 2/5 x 15 x 3 + 7
3 2/5 x 15 =
17/5 x 15/1 =
255/5 = 51
Then, we multiply it by 3
51 x 3 = 153 + 7 x 3 = 153 + 21 = 174
So the expression should be: 3 2/5 x 15 x 3 + 7