Four-fifths of a number is greater than three-fourths of a number by 8. Find the number.

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

What is the size of the matrix resulting from

1: 4 if the wew 35 surfboards at the beach how many were short boards?