Tinku is fond of collecting spiders and insects. he knows spiders have 8 legs and insects have 6 legs. he counted 36 legs. how many of each does he have in hi collection?

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,