 
<translate> Martha ta ba James 5 + 2 = 7 apples. Don haka Martha ta bar 20 - 5 - 7 = 8 apples. Don a bar mata da tuffa 4 kawai, Martha za ta ba da 8 - 4 = 4 tuffa. Amsar ita ce 4. <eng> Martha gave James 5 + 2 = 7 apples. So Martha was left with 20 - 5 - 7 = 8 apples. To be left with only 4 apples, Martha would need to give away 8 - 4 = 4 more apples. So, the answer is 4. 