What is the percent by mass of 150g of KNO3 dissolved in 400g of solution?

Abby has 2m dollars, Bill has (3m over 2 - 5) dollars, and Cathy has m over 6 dollars more than Bill. Find the sum of money all three people have.

Which operations can be used to solve this problem? Lulu bought 2 blouses for $24 each and 3 pairs of socks for $7 each, tax included. How much change would she receive if she paid with bills totaling $80? Choose TWO answers that are correct. A.

If it is 11:15 a. m. at teens high school, then a bell will ring. which of these is true? a. if a bell is not ringing, then it must not be 11:15. b. if a bell is ringing, then it is 11:15. c. if it is not 11:15, then a bell will not ring. d.

IF the cost of 5 pens is equal to selling price of 4 pen of same kind, Find profit percentage.

What is the solution of the system? 2x+y=8 x-3y=4

The population of a town is 4,951 people. what is the value of the digit 4 in the number? answer

The summer after sophomore year, Haley nannied for a family and earned $2000. She decided to save it all and deposit it into an account earning 5.8% interest compounded monthly.

268.49 to the nearest tenths place

Select all of the ratios that are equivalent to 1:5. 6:30 5 to 20 8 to 40

A person who weighs 120 pounds on Earth weighs 20 pounds on the moon. How much does a 93 - pound person weigh on the moon?