Maths-
SAT
Easy

Question

Ms. Anderson currently has 550 contacts on an online professional networking site.  Her goal is to have at least 1,000 contacts. If she wants to meet this goal in 25  weeks, what is the minimum number of contacts per week, on average, she should  add?

  1. 18
  2. 19
  3. 21
  4. 22

The correct answer is: 18


    The current contacts = 550
    The goal of Anderson = 1000
    The difference = 1000 – 550 = 450
    The target to be achieved in 25 weeks
    rightwards double arrow 450 over 25 equals 90 over 5 equals 18 contacts per week

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