Two vertices of a triangle lie on a line. The third vertex belongs to a line that is parallel to the given one. What
can you say about the area of the triangle if you change the position
of the third vertex along the parallel line. Make a model with elastics
on a geoboard and explain

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?