Mathematics: Apound of oranges costs $2 less than a pound of pears. together, ten pounds of oranges and eight pounds of pears cost $61. how much would three pounds of pears cost?

Apound of oranges costs $2 less than a pound of

Ответ:

lovehelping1564

06.01.2022

Mathematics

Let us say that:

o = cost of oranges per pound

p = cost of pears per pound

so that:

o = p – 2

Therefore:

10o + 8p = 61

10 (p – 2) + 8p = 61

10p – 20 + 8p = 61

18p = 81

p = 4.5

p = $4.5 per pound

So 3 pounds of pears would cost:

total cost = 3 * 4.5

total cost = $13.5

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Ответ:

LoneWolves

08.01.2022

Mathematics

Trisha need 41/2 yards of fabricshe has already 2/3 of a yard of fabricshe must buy 41/2-2/3=(3*41-2*2)/6=( 123-4)/6=119/6 yards of fabricthe minimum amount of fabric she must buy to be able to complete her project is 119/6

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Apound of oranges costs $2 less than a pound of pears. together, ten pounds of oranges and eight pounds of pears cost $61. how much would three pounds of pears cost?

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