which of the following represents the situation where siri bought 5 apple and 6 oranges and laxmi bought 2 apple and 15 oranges for same amount of total money
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Answer:
80
Step-by-step explanation:
Let number of apples = x
number of oranges = y ,then
number of bananas =100-(x+y)
Total cost of fruits = 5x+3y+(100-x-y)/40
100 = (200x+120y+100-x-y)/40
199x+119y+100 =4000
199x+119y = 3900 or x=(3900–119y)/199……(1)
Now on putting y=1,2,3,4,5….. in eq.(1)
x=(3900–119)/199=3781/199=19 (a whole number.)
Number of apples =x = 19
Number of oranges =y = 1
Numbers of bananas =100-(x+y) =100-(18+1)
= 100 - 20 = 80
Hope it's help you
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