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4 November, 10:47

There are 236 juniors and seniors in Mr. Jay's math class. There are 4 fewer juniors than twice the number of seniors. How many juniors are in his class?

Question 17 options:

118

80

156

116

64

+1
Answers (1)
  1. 4 November, 11:43
    0
    156

    Step-by-step explanation:

    Let number of juniors be j and number of seniors be s

    Thus, we can write:

    236 juniors and seniors in Mr. Jay's math class:

    j + s = 236

    Also

    There are 4 fewer juniors than twice the number of seniors:

    j = 2s - 4

    Now putting equation 2 into 1, we can solve for s:

    j + s = 236

    2s - 4 + s = 236

    3s = 240

    s = 80

    Hence, juniors is:

    j = 2s - 4

    j = 2 (80) - 4

    j = 156

    There are 156 juniors
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