Jeff donated 30/100*300 = <<30/100*300=90>>90 pencils.

He remained with 300-90 = <<300-90=210>>210 pencils.

Vicki had twice as many pencils as Jeff, meaning he had 2*300 = <<2*300=600>>600 pencils.

When Vicki donated 3/4 of his pencils, he gave away 3/4*600= <<3/4*600=450>>450 pencils.

Vicki remained with 600-450=<<600-450=150>>150 pencils.

Together, Jeff and Vicki remained with 150+210 = <<150+210=360>>360 pencils.

# Answer

360
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Jeff had 300 pencils and donated 30% of them. Vicki had twice as many pencils as Jeff and donated 3/4 of his pencils. How many pencils are there remaining altogether?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
360
Jeff had 300 pencils and donated 30% of them. Vicki had twice as many pencils as Jeff and donated 3/4 of his pencils. How many pencils are there remaining altogether?
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