Alan is making a model building out of sticks. The scale of his building is 1 inch: 400 ft. If the actual length of the building is 1320 ft., what is the length of the model?

3.3 inches.

Step-by-step explanation:

We know that the scale of his building is 1 inch for every 400 ft.

And we also know that the actual length of the building is 1320 feet.

So, we can write the following proportion, with x being our unknown model length:

Note the the lengths line up horizontally. The numerator is all the model lengths, while the denominator is the actual lengths.

Solve for x. Cross multiply:

Divide both sides by 400:

Therefore, the length of the model is 3.3 inches.

And we're done!

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.