Johns coffee shop makes a blend that is a mixture of two types of coffee. type a cost 4.05 per lb. and type b cost 5.60 per lb. This month john made 142 lbs of the blend for a cost of 655.70. how many lbs of type a did he use

1. Find the number of words of length eight of distinct letters of the alphabet so that the words do not have both A and B in them.

You have a 10-ml vial of aminophylline labeled 25 mg per ml. How many ml must be injected to administer a dose of 125mg

Multiply the binomials (x - 8) (x + 8)

Jacob buys 4 muffins for $5.00 how much are 7 muffins

Which statement justifies why

If one-third of a number is added to three-fourths of that same number, the sum is 26. Find the number. Select one: a. 12 b. 4 c. 8 d. 24

O u Didier What is the approximate area of the circle? Use 3.14 for it and round the answer to the nearest tenth. 17.3 in 2 34.5 in? 95.0 in2 379.9 in2

A verbal phrase for 6n-4 is

What comes next simplify 31/50,17/25,37/50,4/5, ...

You can work a maximum of 40 hours a week. You need to make 400$ in order to cover your expenses. Your office job pays 12$ and hour and your babysitting job pays 10$ an hour. Write a system of inequalities to model this situation.