Translate this to a mathematical equation and solve. Please show all of your work.

A bike road race starts at an elevation of 870 feet and passes through five stages where the elevation changes by -684 feet, 17 feet, -236 feet, -440 feet, and 286 feet. At what elevation does the race end?

Question

Translate this to a mathematical equation and solve. Please show all of your work.

A bike road race starts at an elevation of 870 feet and passes through five stages where the elevation changes by -684 feet, 17 feet, -236 feet, -440 feet, and 286 feet. At what elevation does the race end?

radar · Answer

870-684+17-236-440+286=??????

radar · Answer

870+17+286-(684+236+440)=
1173-1360=-187
The racers are at 870-187 or at 683 elevation

anonymous · Answer

you already started at 870 in your equation so you added an extra 870 feet I think.  The final elevation is -187 feet.

anonymous · Answer

Yes...that's what I got.

anonymous · Answer

Thanks

radar · Answer

Agree, I goofed.  I guess they are below sea level lol