A baker used the expression LaTeX: 9\left(15\:+\:Y\right)9 ( 15 + Y ) to show the number of muffins he needed to make. Emily said the expression has the same value as LaTeX: 90\:+\:Y90 + Y. Is Emily correct? Explain your answer.

He wrongly distributed 9 over 15 and Y and got the wrong answer. The product of 9 and 15 is 135 not 90.

Step-by-step explanation:

Given the expression used by baker to show the number of muffins he needed to make as , we are to check if the expression id equivalent to 90+Y

According to distributive law;

A(B+C) = AB + AC (This shows that A is distributed over B and C)

Applying distributive law on

From the result gotten, we can see that Emily is wrong because he wrongly distributed 9 over 15 and Y and got the wrong answer. The product of 9 and 15 is 135 not 90.

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