Question
PSLE
Xuan had water guns for sale. In the morning, she sold 27 of the water guns. In the afternoon, she sold 310 of the remaining water guns. After that, there were 133 water guns left. How many water guns did Xuan have at first?
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PSLE
Xuan had water guns for sale. In the morning, she sold 27 of the water guns. In the afternoon, she sold 310 of the remaining water guns. After that, there were 133 water guns left. How many water guns did Xuan have at first?