Question

The temperature Inside the lab refrigerator is at most 45 °F.Use t to represent the temperature (in °F) of the refrigerator.İTo get the 10% discount, a shopper must spend no less than $400.Used to represent the spending (in dollars) of a shopper who gets the discount.0

Answer 1

The temperature Inside the lab refrigerator is at most 45 °F.

Use t to represent the temperature (in °F) of the refrigerator.

Remember that

At most is the same that "less than or equal to"

so

`t\leq45`

To get the 10% discount, a shopper must spend no less than $400.

Used to represent the spending (in dollars) of a shopper who gets the discount.

Let

x ------> the spending (in dollars) of a shopper who gets the discount.

no less ------> "greater than or equal to"

so

`x\ge400`