What does it mean if two different ratios describe the same situation

How many liters of a 90% acid solution must be added to 6 liters of a 15% acid solution to obtain a 40% acid solution?

At May 1, 2020, had beginning inventory consisting of 190 units with a unit cost of $7.30. During May, the company purchased inventory as follows: 720 units at $7.30 590 units at $5.80 The company sold 1030 units during the month for $14 per unit.

A rectangular photograph has an area of 65 square inches. If the length of the photo is 3 inches less than twice it's height, find the dimensions of the photo

Juan deposited $200 in a savings account earning 3% interest over 2 years. What was the total amount of interest earned at the end of 2 years? A. $240 B. $24 C. $120 D. $12

Julie works 7.65$ per hour. How many hours doe sit take to get Julie 24.48?

Carmen has $3.60 in her pocket. Waldo has 3/4 of what carmen has. How much money does Walso have in his pocket?

My mom likes to browse every aisle in the clothing store. What does browse probably mean? * to glance at to dance through to make messy or destroy to purchase something

The perimeter of a square is 52cm calculate the area of the square

What is the fifth term of (3 - x) ^6?

Factor 15x3 - 5x2 + 6x - 2 by grouping. What is the resulting expression?