The average of 42 numbers is 37. The average of the first 26 numbers is 32, and the average of the last 17 numbers is 44. The 26th number is:
In â–³ABC, D and E are the points on the sides AB and AC, respectively such that ∠AED = ∠ABC. If AE = 6 cm, BD = 2 cm, DE = 3 cm and BC = 5 cm, then (AB + AC) is equal to:
\(\frac{86}{3}~\mathrm{cm}^3\)
\(\frac{49}{3}~\mathrm{cm}^3\)
\(\frac{50}{3}~\mathrm{cm}^3\)
\(\frac{70}{3}~\mathrm{cm}^3\)