Respuesta :
Answer:
[tex]2K+12L\ge 87.[/tex]
[tex]5K+8L> 63.[/tex]
Step-by-step explanation:
Let K denote the number of kites Min-Young makes and L denote the number of lamps she makes.
1. It takes 2 wooden sticks to make a kite, and it takes 12 wooden sticks to make a lamp. Then it takes 2K and 12L to make K kites and L lamps. she uses at least 87 wooden sticks, thus,
[tex]2K+12L\ge 87.[/tex]
2. It takes 5 square feet of paper to make a kite, and it takes 8 square feet of paper to make a lamp. Then it takes 5K and 8L to make K kites and L lamps. she uses more than 63 square feet of paper, thus,
[tex]5K+8L> 63.[/tex]
2K + 12L ≥ 87 and 1.5K + 8L > 63
Step-by-step explanation:
It takes 2 wooden sticks and 1.5 square feet of paper to make a kite, and it takes 12 wooden sticks and 8 square feet of paper to make a lamp.
If K denotes the number of kites that Min-Young made and L denotes the number of lamps she made then
2K + 12L is the number of wooden sticks that she used which is greater than equal to 87
i.e. 2K + 12L ≥ 87 ........ (1)
Again, 1.5K + 8L is the number of square feet of paper that she used which is greater than 63 sq. feet
i.e. 1.5K + 8L > 63 ........... (2)
Hence, inequalities (1) and (2) are the required answer. (Answer)
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