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2 years ago

8

One out of three adults has worked in the restaurant industry at some point during his or her life. In an office of 90 workers,

how many of these people would you expect to have worked in the restaurant industry at some point

1 answer:

harkovskaia [24]2 years ago

6 0

Answer:

30

Step-by-step explanation:

1/3 of 90 is 30.

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3 years ago

At the local clothing store all shirts were on sale for one price and sweaters for a different price. Lonnie purchased three swe

Aleonysh [2.5K]

Answer: the cost of one shirt is $28

the cost of one sweater is $23

Step-by-step explanation:

Let x represent the cost of one shirt.

Let y represent the cost of one sweater.

Lonnie purchased three sweaters and two shirts for $130. It means that

2x + 3y = 130 - - - - - - - - -1

If the sale price of a shirt was five dollars less than the sale price of a sweater, it means that

x = y - 5

Substituting x = y - 5 into equation 1, it becomes

2(y - 5) + 3y = 130

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2 years ago