Question

A model with 3 rows of 5 squares and 3 rows of 3 squares.
Use the model to find the missing number in the pair of equivalent expressions.
15 + 9 = ?(5 + 3)
What number is missing from the expression?

Answer 1

Answer:

A=3

Step-by-step explanation:

let the missing no Will be x

so,

15+9=x(5+3)

24=x×8

x=24/8

x=3

missing number is =

x=3