Posted by kratika on Friday, June 15, 2012 at 5:12am.
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  PsyDAG, Friday, June 15, 2012 at 11:29am
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  saad, Wednesday, July 13, 2016 at 10:04am
1.21,63
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