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ICSE Class 7 Answered

A pizza weight 1.8kg . It is cut into two parts so that the first part is 25% heavier part . Find the weight of each part.
Asked by purnapadhan72 | 13 Nov, 2017, 07:06: PM
answered-by-expert Expert Answer
begin mathsize 16px style Let space the space second space part space of space pizza space be space straight x space kg. Then comma space first space part equals straight x plus 25 percent sign space of space straight x Now comma space total space weight space of space pizza equals 1.8 space kg rightwards double arrow straight x plus left parenthesis straight x plus 25 percent sign space of space straight x right parenthesis equals 1.98 rightwards double arrow straight x plus straight x plus 25 over 100 straight x equals 1.98 rightwards double arrow 2 straight x plus 1 fourth straight x equals 1.98 rightwards double arrow fraction numerator 8 straight x plus straight x over denominator 4 end fraction equals 1.98 rightwards double arrow 9 straight x equals 7.92 rightwards double arrow straight x equals 0.88 space kg equals second space part rightwards double arrow First space part equals 1.98 minus straight x equals 1.98 minus 0.88 equals 1.1 space kg end style
Answered by Rashmi Khot | 28 Nov, 2017, 02:37: PM

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