Jenna starts running and Diego starts running 7 seconds later.

Question

Jenna starts running and Diego starts running 7 seconds later. Let
t
represent the number of seconds since Jenna started running. Write an expression (in terms of
t
) that represents the number of seconds Diego has been running.

Answer 1

t-7

where t = time Jenna has been running

t-7 represents time Diego has been running

Jenna has been running 7 seconds longer.

t = (t-7) + 7