These are all false statments but it should be written like this: (1:4),(2:8),(3:24),(4:?) the pattern is like this: the first number in each set of parenthasees is 1,2,3,4,5... the 2nd number is gotten by multiplying the first number times the previous term's 2nd number
From A :50/hour. *x(hour) From B : 30/hour *x(hour) 50 *x +30 *x =400 80 *x=400 x=5(hour) Then the train from A will make 50 *5=250 miles (These is fisik)