1.

ERCISE 8.4The sum of two numbers is 70. Their difference is 16. Find the numbers

Answer»

let the number be x and y case1

x+y = 70 x=70-y case 2x- y =16 70-y-y =16-2y =16-70-2y =-54 y = 27

now x=70-yx=70- 27x=43

thank you



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