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convert. if necessary, round to the nearest tenth.

(recall: 1 mi. ≈ 1.61 km.)

mi. 20 km.

a.
12.4
c.
20.4
b.
11.6
d.
10.6

a. 12.4 mi

Step-by-step explanation:

Hello

this is a unit conversion problem,you must know the equivalence

in this case

1 mi. ≈ 1.61 km.

Now, we need to convert 20 Km into miles

we can use a simple rule of three

1 mi.  ⇔ 1.61 km

x mi.  ⇔ 20 Km

a. 12.4 mi

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option: d is correct

step-by-step explanation: