Write four hundred forty-eight and three tenths in standard notation

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

For what value of x does 4x = (1/8) x + 5?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?