To make this simple
If two pairs corresponding angles in a pair of triangles are congruent then the triangles are similar
If you times 39.99 by 0.20 (20%) then you get your answer of $7.99
Answer:
4 sisters
Step-by-step explanation:
-This is a logic question.
-Given that she has 3 sisters, it only means that the 4 are siblings of the same family.
-As such, eaxh sister can correctly claim to have 3 sisters.
Hence, there is a total of 4 sisters.
