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isabelperez063
23.09.2019 •
Mathematics
To make lemonade, 2 cups of lemon juice are mixed with 7 cups of water.describe and correct the error in proportion used to find the number of cups of lemonade juice, j , to mix with 28 cups of water. 2/7 = 28/j
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Ответ:
x = 9 * 8/36 [multiplying each side by 9]
x = 2
x/90 = 4.4/12
x = 90 * 4.4/12 [multiplying each side by 90]
x = 33
Both proportions should be expressed as lemon juice to water, or water to lemon juice. Either way would give a correct
2/7 = j/28 [lemon juice to water]
8 = j [multiplying each side by 28]
7/2 = 28/j [water to lemon juice]
7j = 56 [multiplying each side by 2j]
j = 8 [dividing each side by 7]
The length proportion is 24 in to 32 ft.
The actual house is 24 ft tall.
Let x represent the doll house height, in inches. Then
x/24 = 24/32
x = 24 * 24/32 = 18 inches
Ответ:
Thanks for the free points my bot friend
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