Answer:
Step-by-step explanation:
<u>The question is:</u>
<u>Use the rule:</u>
3!!!!!!!!!!!!!!!!!!!!!
For number seven i got 1974m
and for number eight i got 374.13
CEFA
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Hope this helps
Answer:38 t-shirts
P=30t-640 main street
p=25t-450 broad street
30t-640=25t-450
30t-25t-640=-450
5t-640+640=-450+640
5t/5=190/5
t=38
enjoy