Math help! algebra 1, WORD PROBLEM
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> > Math help! algebra 1, WORD PROBLEM
Math help! algebra 1, WORD PROBLEM
[From: ]
[author: ]
[Date: 13-07-04]
[Hit: ]
......
iii - i
500p = 1500
p = 3
From ii
24*3 + 14q = 100
72 + 14q = 100
14q = 28
q = 2
3 apples and 2 avocado would do.
-
Let x = number of apples
Let y = number of avocados
100x + 350y = 1000
24x + 14y = 100
100x + 350y = 1000
14y = 100 - 24x
100x + 350y = 1000
7y = 50 - 12x
100x + 350y = 1000
100x + 50( 7y ) = 1000
100x + 50( 50 - 12x ) = 1000
100x + 2500 - 600x = 1000
-500x = -1500
x = 3
100x + 350y = 1000
100( 3 ) + 350y = 1000
300 + 350y = 1000
350y = 700
y = 2
Three apples, two avocados.
-
ANS: 3 apples and 2 avaocado
100x + 350y = 1000 (calories)
24x + 14y = 100 (carbs)
100x + 350y = 1000 ; eq1(say) = 10x + 35y = 100
24x + 14y = 100 :eq2(say)
10x + 35y = 100 :eq1
24x + 14y = 100 :eq1
you get x = 3 and y = 2 by solving those two equations.
-
Let x represent the number of apples
Let y represent the number of avocados
Calorie total: 100x + 350y = 1000
Carb total: 24x + 14y = 100
Note: x and y must be whole numbers.
I get x = 3 and y =2
1
2
keywords: PROBLEM,algebra,WORD,help,Math,Math help! algebra 1, WORD PROBLEM
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