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I bought an apple that costs 50.Then I give my money that 20 to my cousin.When change of money was given to me that 10 .How many did I have a money?

Sagot :

First solving backwards, you have a money worth of 10 left. You gave 20 to your cousin, which will result that you have a value of 30 after you have bought an apple. Then an apple costs 50, therefore before buying that apple you have 80. Hope this helps =)