\frac{(50)^2\div20+180+(120-20)}{(60)^2\div30+190+(130-30)}=x

Simplification Test 4

Question : 9 of 40

Marks: +1, -0

{(50)^2÷20+180+(120-20)}/{(60)^2÷30+190+(130-30)}=x

Solution:

x={(50)^2÷20+180+(120-20)}/{(60)^2÷30+190+(130-30)}

x={2,500÷20+180+100}/{3,600÷30+190+100}

x={125+280}/{120+290}

x=405/410=81/82

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