the sum of a tens digit and the hundreds digit of a 3 digit number is 3 times the units digit. 1/5 of the sum of the 3 digit is 1 less than the units digit. Find all 3 digits numbers that satisfy these conditions

a

step-by-step explanation:

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step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft