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19 May, 18:50

3 Apples and 2 bananas cost $3.50

1 apple and 2 bananas cost $1.70

Set up system of equations and solve.

write your answer in the form $#,##

How much does one apple cost?

How much does one banana cost?

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Answers (2)
  1. 19 May, 19:39
    0
    apples are $0.90 and bananas are $0.40

    Step-by-step explanation:

    3a+2b=$3.50

    a+2b=$1.70

    take the second equation and isolate one variable so it becomes a=$1.70-2b then you plug that into the a in the first equation

    3 ($1.70-2b) + 2b=$3.50

    use the distributive property with the parenthesis

    $5.1-6b+2b=$3.50

    combine like terms

    $5.1-4b=$3.50

    subtract $5.1 from both sides

    -4b=$-1.6

    divide both sides by - 4

    b=$0.4

    plug the $0.4 into the equation for b

    3a+2 ($0.4) = $3.5

    multiply the parenthesis

    3a+$0.8=$3.5

    subtract

    3a=$2.7

    divide

    a=$0.9
  2. 19 May, 21:30
    0
    Apple cost $1.00 while bananas cost $0.35
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