One-fourth of a number less sixty is 8

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?