need help with 3 word problems please
1. The Divine Chocolate Candy store wants to make a new treat consisting of milk chocolate and hazelnuts. They want to make a 10 pound box that sells for $5 per pound. If hazelnuts sell for $6 per pound and chocolate sells for $4 per pound, how pounds of each must they mix to get their desired product?

2. A chemist wants to mix a 64% alcohol solution with 7 liters of 51% alcohol solution to produce a solution that is 62% alcohol. How many liters of the 64% alcohol solution should be used? Round to two decimal places.

3. Rick can mop the floo

Question

need help with 3 word problems please 
1. The Divine Chocolate Candy store wants to make a new treat consisting of milk chocolate and hazelnuts.   They want to make a 10 pound box that sells for $5 per pound.   If hazelnuts sell for $6 per pound and chocolate sells for $4 per pound, how pounds of each must they mix to get their desired product?

2. A chemist wants to mix a 64% alcohol solution with 7 liters of 51% alcohol solution to produce a solution that is 62% alcohol.   How many liters of the 64% alcohol solution should be used?     Round to two decimal places.

3. Rick can mop the floo

anonymous · Answer

it cut off
 3. Rick can mop the floor in 7 minutes.   Together Rick and Nancy can mop the floor in just 5 minutes.   How long does it take Nancy to mop the floor alone? 

and woulnt let me post the 4th one so here it is 
Robert can paint a wall in 10 minutes, and Jack can paint the same wall in 26 minutes.   How long will it take them to paint a wall together?   Round to two decimal places.