Suppose that Kristin ate two hamburgers and drank three medium sodas, for a total of 1139 calories. Kristin's friend Jack ate seven hamburgers and drank two two medium sodas, for a total of 2346 calories. How many calories are in the hamburger?
How many calories are in the soda? solve the systems of equation
2h+3c=1139 and 7h+2c=2346.
H represents hamburgers and c represents sodas
How many calories are in the soda? solve the systems of equation
2h+3c=1139 and 7h+2c=2346.
H represents hamburgers and c represents sodas
1 Answer
Oct 16, 2017
The number of calories in
Explanation:
We just have to solve the system of equations which is
where
Isolating
and substituting its value in the first equation
now we only have to solve this equation for
Hope it helps.