Bartering with the Zola tribe.
Algebra
Level
2
If the Zola tribe of Zub-Zub island rate 2 spears as worth 3 fishhooks and a knife, and will give 25 coconuts for 3 spears, 2 knifes and a fishhook together, how many coconuts will they give for each article separately?
for a fishhook, 2 coconuts; for a knife, 4; for a spear 5.
for a fishook, 3 coconuts; for a knife, 4; for a spear 5.
for a fishook, 5 coconuts; for a knife, 1, for a spear 3
for a fishook, 5 coconuts; for a knife, 2, for a spear 7
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1 solution
100 points ..... MCQ ....... framed this eqn ..... "25c = 3s + 2k + f" ..... substituted and got the points!!!! ........ but i would love to get the soln. of the eqn .... pls sum1 post the other soln ...