帮忙解答一道英文数学题 20
Yoursportsteamissellingpatrioticpinsandribbonsforafundraiser。thepinsare$4eachandtheri...
Your sports team is selling patriotic pins and ribbons for a fundraiser。 the pins are $4 each and the ribbons are $2 each. write an equation to represent the number of pins are ribbons you could sell to raise $60.
4x+2y=60
怎么解释这个步骤
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4x+2y=60
怎么解释这个步骤
用英文解释每个步骤 展开
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设pins数量为x,ribbons数量为y
那要筹集60美元的话
就是4x+2y=60
那要筹集60美元的话
就是4x+2y=60
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you dont know how many pins and ribbons there are,
so set the numbers of pins as"x" and the number of ribbons as"碰前闷笑弯悔扒y",
pins cost $4each (so total pins cost: 4x)
ribbons cost $2 each(so total ribbons cost: 2y)
together they add up to $60,
so put the numbers into the equation:
total pins cost+total ribbons cost=total cost
4x+2y=60
懂了吗?
so set the numbers of pins as"x" and the number of ribbons as"碰前闷笑弯悔扒y",
pins cost $4each (so total pins cost: 4x)
ribbons cost $2 each(so total ribbons cost: 2y)
together they add up to $60,
so put the numbers into the equation:
total pins cost+total ribbons cost=total cost
4x+2y=60
懂了吗?
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maybe you should use GAC,
like this:
if both has 1 each,so the total would be,$6(4+2=6)
if each has 2,the total would be 6*2=12,
60devided by 6=10
like this:
if both has 1 each,so the total would be,$6(4+2=6)
if each has 2,the total would be 6*2=12,
60devided by 6=10
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