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if 40% of a number is 58. what is twice the number?



Sagot :

let 'x' be the number
since you are told that 40% of x is 58 then you'll have it as:
0.40x = 58
x = 58/0.40
x = 145
what is asked is the value of twice the number then you'll have it as:
2x = 2(145)
2x = 290