The value of the digit 8 in this number is 8 the value of the digit 7 in this number is not 700

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

What is the value of y? round to the nearest tenth

Is it greater than or less than7*3_9*2