John and paul spent $45 altogether. john and henry spent $65 altogether. if henry spent 3 times as much as paul, how much did john spend?

The answer is: John spent 35 dollars.

Step-by-step explanation:

Key:

J= John P= Paul H= Henry

How much did Paul spend?

3P+J= 65

P+J=45 Subtract

2P=20

P=10

How much did John spend?

P+J=45

J= 45-P

J= 45-10

J=35

How much did Henry spend?

H= P*3

H=10*3

H=30

-KEP

72 is the answer to this problem