Asked by CC
In an egg and spoon race, children must transport eggs from one end of a course to the other. Points are awarded for each successfully transported, and points are deducted for each egg which drops and breaks.
Jenny transported 5 eggs and dropped 2 eggs for a score of 11 points. Heath transported 8 eggs and dropped 5 eggs, for a score of 5 points.
How many points are deducted for dropping an egg?
How can I solve this problem?
Please help me...
Answers
Answered by
Anonymous
use elimination method in Algebra
Let x be the transported
Let y be the dropped
then make the equation
5x + 2y = 11
8x + 5y = 5
----------------
-8 (5x + 2y = 11)
+5 (8x + 5y = 5)
--------------------
-40x - 16y = -88
+40x + 25y = +25
____________________
+ 9y = -63
----------- divide by 9
9 9
____________________
y = -7
so 7 points were deducted
Let x be the transported
Let y be the dropped
then make the equation
5x + 2y = 11
8x + 5y = 5
----------------
-8 (5x + 2y = 11)
+5 (8x + 5y = 5)
--------------------
-40x - 16y = -88
+40x + 25y = +25
____________________
+ 9y = -63
----------- divide by 9
9 9
____________________
y = -7
so 7 points were deducted
Answered by
CC
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