Let x be the number of red fish
3:5 = x:20
3/5 = x/20
(Cross method)
5x = 60
x =12
There are 12 red fish in the fish tank.
Answer:
∠ACD= ∠BAC ( reason: CPCTC)
18/20=K/110
20K= 110*18
20K= 1980
K= 99
17 are older than 16 years old and 12 are taller than 170 cm
Answer:
(8×6)+2×((14+6)×6)
=48+2×(20×6)
=48+240
=288
Step-by-step explanation:
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