prompt: Miss Grayson's class raised $50 for their field trip. Aside from that, each of her students contributed $5 each. There are 20 students in her class, and the cost of the trip is $7 for each student. After all the field trip costs were paid, how much is left in Miss Grayson's class fund?
messages.content: Miss Grayson's class raised $50 for their field trip. Aside from that, each of her students contributed $5 each. There are 20 students in her class, and the cost of the trip is $7 for each student. After all the field trip costs were paid, how much is left in Miss Grayson's class fund?
messages.role: user
messages.content: The contribution of the students amounted to $5 x 20 = $<<5*20=100>>100.
  So Miss Grayson's class had $100 + $50 = $<<100+50=150>>150 in all.
  The cost of the field trip amounted to $7 x 20 = $<<7*20=140>>140.
  Therefore, the class of Miss Grayson is left with $150 - $140 = $<<150-140=10>>10.
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messages.role: assistant