Latoya created a factor tree and wrote the prime factorization of 90 shown below. A factor tree of 90. 90 branches to 9 and 10. 9 branches to 3 and 3. 10 branches to 2 and 5. The equation is 90 = 2 times 3 times 5. What is Latoya’s error?

 She omitted the other 3

Step-by-step explanation:

               90

                ∧

            9   10

           ∧     ∧

         3 3   2 5

90 = 2×3×3×5

There are TWO threes. Latoya only included one of them.

Her equation is missing a factor of 3.

Step-by-step explanation:

Her factor tree is correct. Her mistake is that she only used one of the factors of 3. The correct equation is 90 = 2 * 3 * 3 * 5

4 adults and 12 babies

step-by-step explanation:

4 x 7 = 28

12 x 15 = 180

180 + 28 =208

4 x 3 = 12

step-by-step explanation:

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