Answer:

Step-by-step explanation:
Both triangles are shown are similar. Therefore, the ratio of their sides will be maintained. We can then set up the following proportion:

Answer:
406
Step-by-step explanation:
6+(4x100)
1) Seven divided by the difference of 10 and 3
2) A fraction where the numerator is seven, and the denominator is the difference of 10 and 3
3) Seven divided by the quantity of 3 subtracted from 10