Use the map of africa below to answer the following question. notice the scale in the lower left corner of the map, which shows that .5 inch is equivalent to 500 miles and 1 inch is equivalent to 1,000 miles.

map of the continent of africa. various trade routes connect kingdoms of west africa (mali, ghana, and songhai) with north africa, egypt, and the arabian peninsula. the scale shows that half an inch equals 500 miles and 1 inch equals 1,000 miles. the cities of tripoli and marrakesh are approximately 1 and a half inches apart. the cities of tripoli and taghaza are approximately 1 and 4 tenths inches apart. the cities of tripoli and timbuktu are approximately 1 and 7 tenths inches apart. the cities of tripoli and gao are approximately 1 and a half inches apart.
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based on the map, which of the following cities was closest to tripoli? (1 point)

marrakesh
taghaza
timbuktu
gao