Understand the equation: Understand the equation. The equation given is 305 = (20 + X) * 3. This means that three times the sum of 20 and some number X equals 305. Divide both sides: Divide both sides of the equation by 3 to isolate the sum on one side. 305 ÷ 3 = (20 + X) * 3 ÷ 3 101.666... = 20 + X This is incorrect because 305 divided by 3 does not equal 101.666....

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$305=(20+X)\times 3$

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Grade 6

Multiply whole numbers

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305=(20+X)\times 3

Understand the equation: Understand the equation. $\newline$ The equation given is $305 = (20 + X) * 3$ . This means that three times the sum of $20$ and some number $X$ equals $305$ .
Divide both sides: Divide both sides of the equation by $3$ to isolate the sum on one side. $\newline$ $305 \div 3 = (20 + X) \times 3 \div 3$ $\newline$ $101.666\ldots = 20 + X$ $\newline$ This is incorrect because $305$ divided by $3$ does not equal $101.666\ldots$ .