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The original price of a down jacket is 560 yuan. Central shopping mall: all down jackets at this counter are sold at 65% discount. Which shopping mall is it cheaper to buy this down jacket The original price of a down jacket is 560 yuan. Central shopping mall: all down jackets are sold at 65% discount. Department stores: 80 yuan for 200 yuan and 200 yuan for 400 yuan. Which shopping mall is it cheaper to buy this down jacket?
Central shopping mall: 560 × 65% = 354 yuan
Department stores: because 560 yuan is over 400 yuan, 200 yuan in cash is given;
That is 560-200 = 360 yuan
Because 354 < 360 yuan, so go to the central shopping mall to buy down jacket cheap
Can you understand? Are you in Grade 6 or grade 5? I'm in grade 2 of junior high school. I hope I can help you with math problems when I have the chance. Although I'm not top in math, I'm No.1
One dollar linear equation. A shopping mall carries out the promotion activity of "50 yuan free of 100 yuan", that is, customers can get 50 yuan shopping roll for every 100 yuan consumption,
If you don't participate in this activity, you can enjoy a 7.50% discount. Mom wants to buy Xiaoming a quick translation machine with a price of 268 yuan and a repeater with a price of 312 yuan, ready to enjoy the discount. Xiaoming wants one of the items, and then adds money to buy another item, Please help them find the most cost-effective way to buy two items and the amount required
Scheme 1: buy 268 first, get 100 yuan voucher, and then buy 312 to enjoy discount. The total cost is 268 + 312 * 0.75-100 = 402 yuan
Plan 2: buy 312 first, get 150 yuan voucher, and then buy 268 to enjoy discount, with a total cost of 312 + 268 * 0.75-150 = 363 yuan
Scheme 3: no coupons, total cost (312 + 168) * 0.75 = 360 yuan
It can be seen that scheme 3 is the most economical
Winter is coming, a, B, C three shopping malls to compete for the market, down jacket sales adopt different ways of promotion. A price of 300 yuan down jacket, a shopping mall sales method is to buy 6 get 1 free, B shopping mall sales method is 8.5% discount, C shopping mall sales method is to buy enough 10 pieces of down jacket, 20% discount. If there is 2400 yuan now, you need to buy 9 pieces Down jacket, which shopping mall do you think is the most cost-effective? Give your reasons
If you go to shopping mall a, you can buy 8 pieces of down jacket for 2400 yuan, and the store "buy 6 get 1 free", so you can buy 9 pieces of down jacket for 2400 yuan in shopping mall a; if you go to shopping mall B, you can buy 8 pieces of down jacket for 2400 yuan first, and the store "all discount 8.5", so you only need to spend 2400 × 0.85 = 2040 (yuan), and then use
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