The equation is 2916= 12x • 15, since area is length times width.
in this case, x would be 16.2
first, you divide 15 on both sides, then, you isolate x by dividing by 12 on both sides. the answer is 16.2
hope this helps
Answer:
I will try
Explanation:
1. You should right the "Gold & Salt Trade". Many items were traded between North Africa and West Africa, but the two goods that were most in demand were gold and salt. The North Africans wanted gold, which came from the forest region south of Ghana. The people in the forests wanted salt, which came from the Sahara.
2. Ghana and Mali, At first Taghaza had been controlled by the Saharan nomads, but in the early 14th century the rulers of Mali managed to maintain some control over the routes leading these mines from the south.
3. Niger river
4. Muslim Traders, Following the conquest of North Africa by Muslim Arabs in the 7th century CE, Islam spread throughout West Africa via merchants, traders, scholars, and missionaries, that is largely through peaceful means whereby African rulers either tolerated the religion or converted to it themselves.
5. Timbutku.
6. Sahara Desert.
7. Islam.
8 and 9 you do yourself! Learn info and go on wikipedia to learn about them! Very fun to learn, your welcome!
Military leaders wanted to maintain the illusion of a single powerful leader
Cloth and spices brought back by the crusaders led to greater interest in trade.