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To answer this question, first find out how many coins makes up 25% of 200 coins.

Next, find out what is 40% of 200 coins.

Lastly, deduct the number of coins Mei Ling already collected (which is the 25%) to get the number of $1 coins she needs to increase the percentage of coins to 40%.

Next, find out what is 40% of 200 coins.

Lastly, deduct the number of coins Mei Ling already collected (which is the 25%) to get the number of $1 coins she needs to increase the percentage of coins to 40%.

Date Posted:
1 month ago