1. Rakshit bought 19 erasers for * 10. He paid 20 paise
more for each white eraser than for each brown
eraser. What could be the price of a white eraser
and how many white erasers could he have bought?
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1. Rakshit bought 19 erasers for * 10. He paid 20 paise
more for each white eraser than for each brown
eraser. What could be the price of a white eraser
and how many white erasers could he have bought?
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Answer:
White Eraser = 12
White Eraser Price = 60 Paise
A man bought 19 erasers for Rs. 10. He paid 20 paise more for each white eraser than for each
brown eraser. What could be the price of a white eraser and how many white erasers could he have
bought?
Let say White Eraser Price = W Paise
Then Brown erase Price = W - 20 Paise
Let say he bougth White Eraser = E
then He bought 19 - E brown Erasers
EW + (W -20)(19-E) = 10 * 100
=> EW - EW + 20E + 19W - 380 = 1000
=> 20E + 19W = 1380
=> 19W = 20(69 - E)
Using Hit & Trial Method Where E < 19
E = 12 &
Step-by-step explanation:A man bought 19 erasers for Rs. 10. He paid 20 paise more for each white eraser than for each
brown eraser. What could be the price of a white eraser and how many white erasers could he have
bought?
Let say White Eraser Price = W Paise
Then Brown erase Price = W - 20 Paise
Let say he bougth White Eraser = E
then He bought 19 - E brown Erasers
EW + (W -20)(19-E) = 10 * 100
=> EW - EW + 20E + 19W - 380 = 1000
=> 20E + 19W = 1380
=> 19W = 20(69 - E)
Using Hit & Trial Method Where E < 19
E = 12 & W = 60
White Eraser = 12
White Eraser Price = 60 Paise
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