100 yuan. Meituan’s Inflated 15 Yuan is a coupon provided by Meituan to users. It can only be used to deduct the amount when purchasing takeaways. After Meituan uses the inflated red envelope, users can enjoy a discount of 15 yuan for purchases over 100 yuan, which is equivalent to 10% off discount, if the order amount exceeds 100 yuan, the inflated red envelope will be deducted in proportion, up to 15 yuan.