I'm having trouble
a-5=
a janis is 5 years older than seth if a is seth's age in years how old is jenis
b todd is 5years younger than amelia if a is amelia age in years how old is todd
c isaac is 5 times as old as bert if a is bert age in years how old is isaac
d nathan is one-fifth as old as leslie if a is nathan age how old is leslie

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: