Answer :

Answer:

the unit rate will $7.78 per square feet.

Step-by-step explanation:

We have to calculate the unit rate foe 140 for 18 ft.

We can find the rate by unitary method.

∵  18 square feet cost is  =  $140

∴  1 square feet will cost = [tex]\frac{140}{18}[/tex] = $7.78

Therefore, the unit rate will $7.78 per square feet.

The unit rate to the nearest hundredth should be $7.78.

Given that,

  • There is the cost of $140 for 18 ft.
  • We need to find out the unit rate.

Based on the above information, the calculation is as follows:

[tex]= \frac{\$140}{18}[/tex]

= $7.78

Therefore we can conclude that the unit rate to the nearest hundredth should be $7.78.

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