Asked by keisha
No sorry but that doesnt help, i tired using the formulae but i cant seem to get the correct ans, can you elaborate more please?
Answers
Answered by
PsyDAG
What formula did you use?
([4*80] + [8*56])/12 = ?
Dividing both numerator and denominator by 4 gives you:
(80 + 56 + 56)/3 = ?
Does this help?
([4*80] + [8*56])/12 = ?
Dividing both numerator and denominator by 4 gives you:
(80 + 56 + 56)/3 = ?
Does this help?
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