Question

Sophia is 12 years old. Her Uncle Reynald tells her that if she adds 5 to her age, multiplies the sum by 3, and then subtracts 4 from the product, she will find his age. She tells him that his age equals the expression 12 + 5 × 3 − 4 .

Is Sophia correct?

Answer 1

Uncle Reynald's age is given by the expression 3(12 + 5) - 4

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent Uncle Reynald age, hence:

x = 3(12 + 5) - 4

Uncle Reynald's age is given by the expression 3(12 + 5) - 4

Find out more on equation at: https://brainly.com/question/2972832

Answer 2

Answer: incorrect

Step-by-step explanation: Her uncle's age = 47 yearsStep-by-step explanation:Sophia = 12 years oldHer Uncle Reynald tells her that if she adds 5 to her age,= 12 + 5multiplies the sum by 3= (12 + 5) × 3and then subtracts 4 from the product= {(12 + 5) × 3} - 4she will find his age{(12 + 5) × 3} - 4= (17 × 3) - 4= 51 - 4= 47Her uncle's age = 47 yearsSophia wrote:12 + 5 × 3 − 4Using PEMDASP - productE - exponentM - multiplicationD - divisionA - additionS - subtractionSophia's expression can be written as = 12+(5*3)-4= (12 + 15) - 4= 27 - 4= 23Sophia's expression is wrong