During a clearance sale, a toy shop offers a 20% discount on all toys. You purchased a Barbie doll and received a $10 discount. What was the total amount paid for the doll?
Use a tape diagram to solve the problem.

x = 17

step-by-step explanation:

1st step: isolate x.

24 - 3x = -27

-24         -24

-3x   =   -51

2nd step: divide.

-3x     =   -51

  3             3

  x       =     17

hope this

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.

x:       y:  

-1         4

0         4

1         6

2         18

3         20