Question

Help please Question ♀️ 2A deli sells meat by the pound. The expression 7.99m + 5.99c represents the total cost of m pounds of meat and c pounds of cheese. Select all true statements.

Answer 1

Given:

`The\text{ total cost of m pounds of meat and c pounds of ch}eese\text{ =7.99m+5.99c}`

Consider the induvial options.

a)

Each pound of cheese costs $5.99.

Yes, the unit cost of cheese is $5.99.

It is true.

b)

Each pound of meat costs $7.99.

Yes, the unit cost of meat is $7.99.

It is true.

c) The total cost of c pounds of cheese is $7.99.

Substitute m=0 in the given expression.

`The\text{ total cost of 0 pounds of meat and c pounds of ch}eese\text{ =7.99(0)+5.99c}`

`The\text{ total cost of c pounds of ch}eese\text{ =5.99c}`

Option c is false.

d)The total cost of m pounds of meat is $7.99.

Substitute c=0 in the given expression.

`The\text{ total cost of m pounds of meat and o pounds of ch}eese\text{ =7.99m+5.99}(0)`

`The\text{ total cost of m pounds of meat =7.99m}`

Option d is false.

e) The total cost for 2 pounds of meat and 3 pounds of cheese is $33.95.

Substitute m=2 and c=3 in the given expression.

`The\text{ total cost for 2 pounds of meat and 3 pounds of ch}eese\text{ =7.99(2)+5.99}(3)`

`\text{=}15.98+17.97`
`=33.95`

`The\text{ total cost for 2 pounds of meat and 3 pounds of ch}eese\text{ =\$}33.95`

It is true.

Final answer:

Options a, b, and e are correct.