Help me...
1. A man divides P10,000 in two investments, one at 10% and the other at 30%. Find how much is invested at each rate so that the two investments produce the same income annually.

2. Joey has twice as many 25-centavo coin than 10-centavo coin. If he has a total of P60, how many of each kind of coin are there?

3. How much of a 40% solution of alcohol and how much of 80% solution should be mixed to give 40 gallons of a 50% solution?

Question

Help me...
1. A man divides P10,000 in two investments, one at 10% and the other at 30%. Find how much is invested at each rate so that the two investments produce the same income annually.

2. Joey has twice as many 25-centavo coin than 10-centavo coin. If he has a total of P60, how many of each kind of coin are there?

3. How much of a 40% solution of alcohol and how much of 80% solution should be mixed to give 40 gallons of a 50% solution?

anonymous · Answer

hello @terenzreignz .. i need your help again .. :(

terenzreignz · Answer

This doesn't seem too bad... @itsmeeQUENNIE 
show yourself...