The cafe where you work just ran out of coffee, and you are at the store to buy 1 1/2 pounds of coffee. you have put a can with 3/4 pound of coffee into your shopping cart. how many more pounds of coffee do you need?

72 of the 96 coffee mugs at Vicky's Pancake House are dirty. What percentage of the coffee mugs at the pancake house are dirty?

Write your answer using a percent sign (%).

Step-by-step explanation:

Hence, he needs to buy 3/4 pounds of coffee.

Step-by-step explanation:

It is given that:

A person is at the store to buy pounds i.e. 3/2 pounds of coffee.

He has already put in his cart 3/4 pounds of coffee.

Now we are asked to find what extra amount he needs to buy.

The extra amount is calculated as:

The amount he has to buy-The amount he has put in his cart.

Hence, he need to buy 3/4 pounds of coffee.

n = 20

Step-by-step Explanation:
When dealing with ratios, there is always most likely a second number given to you. This number is going to be 1.
When looking for n, you have to look for all of the numbers, in this case there is only two.
1 is the hour, so now you just need the 20 minutes.
If the ratio is 1:n, this means that n would have to equal 20.
1:20