Answer:
Let B = the weight of box B
Let 2B = the weight of box A
Let 2B + 30 = the weight of box C
B + 2B + 2B + 30 = 640
5B = 610
B = 122 pounds, weight of box B
2B = 2(122) = 244 pounds, weight of box A
2B + 30 = 2(122) + 30 = 274 pounds, weight of box C
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Answer: The measure of <1 is 90
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Answer:
2/121
Step-by-step explanation:
Hello,
Hôpital's rule will help here.

So the limit is 4/(2*121)=2/121
Thanks
Answer:
(15÷8+2÷5)+(-7÷8)
=(1.875+0.4)- 0.875
= 2.275 - 0.875
=== 1.4
Step-by-step explanation:
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Answer:
6 hours
Step-by-step explanation:
30-12=18
18 divided by 3 equals 6 hours