Posted by rose on Tuesday, February 15, 2011 at 7:43am.
four teenagers collected a total of £64 for charity. each teenager collected a whole number of pounds. the modal amount collected was £16. the range of the amounts collected was £2. work out how much each teenager collected?

maths  rose, Tuesday, February 15, 2011 at 7:54am
please someone answer

maths  Reiny, Tuesday, February 15, 2011 at 10:03am
Had they collected £16 each, the mode would have been £16 but the range would have been £0
So two of them must have been £2 apart
How about
£16, £16, £15, £17

math  PsyDAG, Tuesday, February 15, 2011 at 10:07am
Tutors come online at different times of the day, so you won't necessarily get immediate answers.
With 4 teens, at least two must have collected the modal amount 16 + 16.
64  32 = 32
With range of only 2, the remaining two must be one above and one below the mode.
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