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Rebecca
Rebecca asked in Science & MathematicsMathematics · 6 years ago

Simple maths equations?? plz help?

What is 87x4?

Solve the equation 4y+5=13

Expand 5(x-3)

Simplify the ratio 12: 16

What is the median of these data?

20,10,30,10,50

What is 25% of 120

3 Answers

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  • Trojan05
    6 years ago

    1. 87 X 4=348

    2. 4(2) + 5 = 13

    3. 3:4

    4. -------

    5. 25% of 120 is 30

  • Reemal Dhoomon
    6 years ago

    348

    4y+5=13

    4y=13-5=8

    y=8/4=2

    5(x-3)=5x-15

    12:16------3:4 (divide by 4 both sides)

    25/100 x 120 =30

  • MICHAEL K
    Lv 7
    6 years ago

    348,.

    y = 2,

    5x - 15,

    3:4,

    25,

    30.

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