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maths

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Fill in the blanks-

1). the sum of two consecutive odd numbers is 84, the number are ________ and________

2). A number multiplied by 6 and then reduced by 3 gives 69, the number is_______

3). The number of boys is 3/2 the number of girls in class. the total strength is 40. the number of girls is ______

  • maths -

    1. It must be in the 40s to be consecutive. Explore for yourself.

    2. Reverse the process. Add 3 to 69, then divide by 6.

    3. Let x = # girls, then 2/3x = # boys.

    x + 2/3x = 40, assuming that strength = number of children.

  • maths -

    1.21,63

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