Question

enter the missing values in the area model to find $3(5k + 1)$ .
$5k$ $+1$
$3$
answer attempt 1 out of 2
according to the model above, $3(5k + 1) = $

Explanation:

Step1: Multiply 3 by 5k

$3 \times 5k = 15k$

Step2: Multiply 3 by 1

$3 \times 1 = 3$

Step3: Sum the two products

$15k + 3$

Answer:

The missing values in the area model are $15k$ and $3$, and $3(5k + 1) = 15k + 3$