Question

The model shows the expression 20 + 16. A model with 4 rows of 5 squares and 4 rows of 4 squares. Which expression is equivalent to this sum?education is compulsory for children from the age of five

Answer 1

The expression is equivalent to this sum  is  mathematically given as

x=4 (5 + 4)

This is further explained below.

What is a model?

A representation of a system is referred to as a conceptual model. It is made up of ideas that are meant to assist individuals in learning about, comprehending, or simulating a topic that the model depicts. In addition to that, it is a collection of ideas.

Generally, the equation for the model is  mathematically given as

x= 20 + 16

Therefore

x= (4 * 5)  + (4 * 4)

x= 4 ( 5 + 4)

Four rows of five squares and four rows of four squares make up this model.

R4 ( 5^2 + 4^2)

x= 4 (5 + 4)

x=4 (5 + 4)  

In conclusion, an expression is equivalent to this sum  is  mathematically given as

x=4 (5 + 4)

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