we have:
=> 6 ÷ 11 = 12 ÷ AB
=> AB = 12 × 6 ÷ 11 = 72/11 ≈ 6,5
Answer: 72/11 ≈ 6,5
P/s: CA = CD + AD = 6 + 5 = 11
Ok done. Thank to me :>
Volume equals width times height times length
Maria do 1/2 work in 1 hour
Sasha do 1/3 work in 1 hour
Thus,
1/2+1/3=5/6 work in 1 hour
5/6 work in = 1 hour
1 work in =6/5=1.2 hours =72 minutes
It is this 100 60 40 30 800