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klemol [59]
3 years ago
9

A student wants to learn how to spell 200 words on a list. The student learned how to spell the first 25 words on the list at a

rate of 5 words per day. At this rate, how many days will it take for the student to learn how to spell the remaining words on the list
A. 14
B. 15
C. 35
D. 45
Mathematics
1 answer:
leonid [27]3 years ago
6 0
  • Rate of change=5
  • Y intercept=b=25

Equation in slope intercept form

  • y=mx+b
  • y=5x+25

Now

  • 5x+25=200
  • 5x=175
  • x=175/5
  • x=35
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