Answer:
62 miles and hour
Step-by-step explanation:
420 miles/7 hours = 60 miles per hour.
The answer would be 48 If im not mistaking
x = 129
y = 82
x + 51 = 180
x = 180 - 51
y + 51 + 47 = 180
y = 98 - 180
it's was helpful to you
The first one. 5x+7=12
