A painapple cost rs7 each a waterman cost.rs 5 each x spends 38 on these friuts the number of painapple purchesed is
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Let the number of pineapple and watermelon be x and y respectively
Then 7x+5y=387x+5y=38
5y=38−7x5y=38−7x
y=38−7x5y=38−7x5
Y is a whole number only when 38−7x38−7x is divisible by 5.
x=4x=4
Answer : 4
Then 7x+5y=387x+5y=38
5y=38−7x5y=38−7x
y=38−7x5y=38−7x5
Y is a whole number only when 38−7x38−7x is divisible by 5.
x=4x=4
Answer : 4
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