Peter bought 25 balls of two kinds. Each cost $2 and $3 respectively.

1.	Peter bought 25 balls of two kinds. Each cost $2 and $3 respectively. When he paid $ 60 for them, he got $2 in change. How many of each kind of balls did he buy?
Answer» Answer: Step-by-step explanation: Let the number of $2 BALL be x, number of $3 ball be 25-x 2x+(25-x)3 = 60-2 2x+75-3x=58 x=17 Number of $2 ball =17 Number of $3 ball =8

Peter bought 25 balls of two kinds. Each cost $2 and $3 respectively. When he paid $ 60 for them, he got $2 in change. How many of each kind of balls did he buy?

Answer»

Answer:

Step-by-step explanation:

Let the number of $2 BALL be x, number of $3 ball be 25-x

2x+(25-x)3 = 60-2

2x+75-3x=58

x=17

Number of $2 ball =17

Number of $3 ball =8