Question

60 books are packed in 4 boxes of equal size. how many boxes will be required to pack 90 such books? how many boxes can be packed in 9 such boxes?​

Answer 1

Step-by-step explanation:

given,

60 books are packed in 4 boxes

accordingording to problem

60 books = 4 boxes --( i )

X books = 9 boxes --( ii )

cross multiply the eq--( i ) and eq--( ii )

60 × 9 = 4x

X = 60 × 9

4

X= 15×9 = 135

X=135

135 books are required to packed in 9 boxes