7d + 4h = 1400
4d + 7h = 1625
use elimination,
multiply the first by 7 and the second by 4, the subtract. The h's will drop out
I am sure you can handle it.
At a concession stand seven hot dogs and four hamburgers cost 14.00 dollars. Four hot dogs and seven hamburgers cost 16.25.
find the cost of one hot dog and one hamburger.
Timed please hurry.
2 answers
lol no this was no help :)
1 answer