標題:
F.1 Maths題,急
發問:
Concert ticket in 400, 200 and 100 each are available for sale.The number of 200 tickets sold is 4 times as many as that of 400 ticket.The number of 100 tickets sold is 380 more than that of 200 tickets.If the total income from the sale of tickets is 86 000,how many 400 tickets are... 顯示更多 Concert ticket in 400, 200 and 100 each are available for sale.The number of 200 tickets sold is 4 times as many as that of 400 ticket.The number of 100 tickets sold is 380 more than that of 200 tickets.If the total income from the sale of tickets is 86 000,how many 400 tickets are sold? 答案為30.但我唔知點列式,請提供列式,最好有埋中文意思. 更新: KC,但係根據''The number of 100 tickets sold is 380 more than that of 200 tickets.'' 200 tickets唔係比400 ticket多4倍咩,咁100 tickets唔係400 ticket的4倍多380咩?
最佳解答:
演唱會有400元,200元,100元的門票售賣.賣出的200元門票數量是400元門票的4倍,賣出的100元門票又比200元的多380張.如果賣出門票的總收入是86000元,請問賣出了多少張400元門票 Let y be the number of the sold 400 tickets 400y+4x200y+4x100y+380x100=86000 400y+800y+400y=48000 1600y=48000 y=30
其他解答:
F.1 Maths題,急
發問:
Concert ticket in 400, 200 and 100 each are available for sale.The number of 200 tickets sold is 4 times as many as that of 400 ticket.The number of 100 tickets sold is 380 more than that of 200 tickets.If the total income from the sale of tickets is 86 000,how many 400 tickets are... 顯示更多 Concert ticket in 400, 200 and 100 each are available for sale.The number of 200 tickets sold is 4 times as many as that of 400 ticket.The number of 100 tickets sold is 380 more than that of 200 tickets.If the total income from the sale of tickets is 86 000,how many 400 tickets are sold? 答案為30.但我唔知點列式,請提供列式,最好有埋中文意思. 更新: KC,但係根據''The number of 100 tickets sold is 380 more than that of 200 tickets.'' 200 tickets唔係比400 ticket多4倍咩,咁100 tickets唔係400 ticket的4倍多380咩?
最佳解答:
演唱會有400元,200元,100元的門票售賣.賣出的200元門票數量是400元門票的4倍,賣出的100元門票又比200元的多380張.如果賣出門票的總收入是86000元,請問賣出了多少張400元門票 Let y be the number of the sold 400 tickets 400y+4x200y+4x100y+380x100=86000 400y+800y+400y=48000 1600y=48000 y=30
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演唱會有400元,200元,100元的門票售賣.賣出的200元門票數量是400元門票的4倍,賣出的100元門票又比200元的多380張.如果賣出門票的總收入是86000元,請問賣出了多少張400元門票 Let y be the number of the sold 400 tickets 400y+4x200y+4x100y+380x100=86000 400y+800y+400y=48000 1600y=48000 y=30Let Q be the number of 400 tickets, Q4200+(Q4+380)100+400Q=86000 800Q+400Q+38000+400Q=86000 (800+400+400)Q=86000-38000 1600Q=48000 Q=480001600 Q=30 30 400 tickets are sold 如果明白,可以跳steps當400 售出左既tickets 既數目為X , 200 tickets 為Y ,100 為z y=4x 因為200蚊既票係 4倍(4times) 既X (400) z = y +380 因為100蚊(Z)門票係多過200蚊(Y)既門票380張 收入 400X + 200Y + 100Z = 86000 全式除100 4x+ 2y + z =860 因y =4x z = y +380 所以 y + 2y + y +380 = 860 y= 120 擺y=120 落 y = 4x x = 30 400蚊門票係30張6FE1C172A843305D文章標籤
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