pencils are in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers so that he would have exactly 1 eraser per pencil. How many pencils and erasers should Philip buy
The smallest number of pencils and erasers and 1 eraser per pencil so number of pencils and erasers are equal *GCD( 12;10) = 60 So Philip buy 60÷12=5 packages of erasers 60÷10=6 packaes of pencils
