SOLUTION: A customer buys five cans of baked beans, four packets of brown sugar and two packets of biscuits from a supermarket. He gives the cashier R150.00 and gets R26.00 in change. A can
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Question 1030122: A customer buys five cans of baked beans, four packets of brown sugar and two packets of biscuits from a supermarket. He gives the cashier R150.00 and gets R26.00 in change. A can of baked beans costs half as much as a packet of biscuits whilst a packet of sugar is three rand cheaper than a packet of biscuits.
Calculate the cost of a can of baked beans, a packet of sugar and a packet of biscuits
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the cost of a can of baked beans
Let = the cost of a packet of sugar
Let = the cost of a packet of biscuits
-------------------------------------
(1)
(2)
(3)
-----------------
There are 3 equations and 3 unknowns, so it's solvable
Substitute (2) and (3) into (1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
and
(2)
(2)
and
(3)
(3)
------------------
R8.00 = the cost of a can of baked beans
R13.00 = the cost of a packet of sugar
R16.00 = the cost of a packet of biscuits
------------------
check:
(1)
(1)
(1)
(1)
OK
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