Answer:
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Step-by-step explanation:
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To solve this, create an equation that follows 45% of a value is 18. This would look like x*.45=18. Now, solve for x, x*.45=18, divide by .45, x=18/.45=40, making your value 40. To check, plug in your value to the equation 40*.45=18 and see if it stays true.
D iaitu (beza sepunya)=T2(sebutan kedua)-T1(sebutan pertama)