Answer:
Explanation:
8n = 6.4
9 0.45
simplify:
8n = 14.222
9
cross multiply:
8n = 14.222 (9)
n = 128
8
n = 16
8n/9 = 6.4/0.45
Cross multiply.
0.45 * 8n = 9 * 6.4
3.6n = 57.6
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