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Answer:
7
Step-by-step explanation:
Remark
The two angles with x in their numerical value are added to get 108
Solution
10x + 2 + 4x + 8 = 108 Collect like terms
14x + 10 = 108 Subtract l0 from both sides.
14x + 10 -10 = 108 - 10 Collect like terms
14x = 98 Divide by 14
x = 98/14
x = 7
Answer:
6 minutes
Step-by-step explanation:
a=3400t+600 substitute 21000 for a
21000=3400t+600 subtract 600 from both sides
20400=3400t divide by 3400
6=t
