4. la tercera parte de la mitad de los tres quintos de mil es:

a) 100 b) 30 c) 10 d) 1

step-by-step explanation:

for b its (t) and c its (d)

step-by-step explanation:

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .