Question

the bill for three books was 398.47 rupees . the first book cost 73.69 rupees and the second 85.04 rupees find the cost of the third book​

Answer 1

Answer :

239.74

step by step explanation :

let the all three book be x,y,z

so ,

x+y+z = 398.47

x = 73.69

y = 85.04

z = ?

then ,

x + y + z = 398.47

73.69 + 85.04 + z = 398.47

158.73 + z = 398.47

z = 398.47 - 158.73

z = 239.74

PLEASE MARK ME BRAINALIST

Answer 2

book 1 costs 73.69

book 2 costs 85.04

add book 1+book 2 = 73.69+85.04=158.73

158.73

398.47-158.73=239.74

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.•.book three costs 239.74 |

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