Answer:

Step-by-step explanation:
we know that
DGH ~ DEF ---> given problem
Remember that
If two triangles are similar, then the rtio of its corresponding sides is proportional and its corresponding angles are congruent
so

substitute the given values


7x-4x=10-1
3x=9
3/3x=9/3
x=3
You could use a 25 pound bag of rolled oats 7 times