Joanne cannot decide which of two washing machines to buy. The selling price of each is ​$480 The first is marked down by ​%50 The second is marked down by ​%30 with an additional ​%20 off. Find the sale price of each washing machine. Use pencil and paper. Explain why should buy the first washing machine rather than the second if the machines are the same except for the selling price.

i can not be cas  thae are the same

Step-by-step explanation:

She should buy the first machine because it’s cheaper than the second.

Step-by-step explanation:

The first is marked down 50% which makes it $240 rather than $480.

The second is marked down 30%, making it $336 and then another 20% making it $268.80.

The second machine is $28.80 more than the first.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

step-by-step explanation:

milk=16 large

soda=280 kids

juice box=82 regular

63 soda +63 regular

124 large total