8miles is approximately equal to 6 km how many km are equal to 28 miles ? how many miles are equal to 42km

28/8 = 3.5

3.5*6 = 21 km

42/6=7

7*8 = 56 miles

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see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2