Question

Elenas age is equal to the product of her sister’s age, which is represented by y, and 4. Write an expression that represents this scenario then solve Elena’s age if y = 3.

Answer 1

Answer:

Elenas age = yx4

put y=3

Elenas age = 3x4 = 12

Answer 2

Answer:

4y and 12

Step-by-step explanation:

Elena's age= x

Sister's age= y*4

• x=4y

if y=3 then

• x=4*3=12

So expression is 4y and Elena's age is 12 if y=3