Mr. huynh wrote the sum of 7 fifteens and 38 fifteens on the board. draw a model, and write the correct expression.

Answer with Step-by-step explanation:

Let one ⊕ represents fifteens.

Mathematically, we assume that

x represents fifteens

So, our equation becomes,

Model can be represented as :

7×⊕ + 15 ×⊕

=⊕⊕⊕⊕⊕⊕⊕ + ⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕

=⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕

b

step-by-step explanation:

ez

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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