Question

3. In the Tutorial: Inverse Operations, the following problem is written into an equation.

After Charlie bought an item on sale for $12.50, he only had $17.28 left in his pocket. How much did he have before he bought the item?

Which is the correct equation?
A. 12.50x = 17.28
B. 17.28 + x = 12.50
C. x - 12.50 = 17.28
D. 17.28x = 12.50

Answer 1

i need help again

Answer 2

let he have x.
so when he bought, it will be reduced from x
so x-12.5
what remains is 17.28
so x-12.5=17.28
got this ?

Answer 3

okay

Answer 4

thank you!

Answer 5

welcome :)

Answer 6

In the following equation, what needs to be done to both side of the equations to solve?

Answer 7

5. In the following equation, what needs to be done to both side of the equations to solve?
A. Divide by 3
B. Multiply by 3
C. Divide by 2874
D. Multiply by 2874