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Answer :

a) 14:10 = 7:15
b) 8:5
c) 5:10 = 1:2
d) 8 + 14 + 5 + 10 + 5 = 42
14:42 = 7:21 = 1:3

Answer:

a) 7:5

b) 8:5

c) 1:2

d) 1:3

Step-by-step explanation: