ACT F12 questions 41-50

• 
• 
• 
• 
• 

In a 73-member choir of only altos and sopranos, there are 19  more altos than sopranos. What is the ratio of altos to sopranos?

• 27:46

• 27:73

• 46:27

• 46:73

• 54:19

A drum contains 40 liters of a 6% potassium bromide solution. This solution is mixed with 80 liters of pure water to produce a new potassium bromide solution. What percent of the new solution is potassium bromide?

• 2%

• 3%

• 6%

• 8%

• 12%

A certain rectangle in the standard (x,y) coordinate plane has a length of 7 coordinate units and a width of 5 coordinate units. The point (0,0) is in the interior of this rectangle. Two vertices of this rectangle are at (3,2) and (3,−3). What is the x-coordinate of the other 2 vertices?

• I only

• III only

• I and III only

• I and IV only

• II and III only

• 
• 
• 
• 
• 

• 
• 
• 
• 
•