The proportion of boys students and girls students in a school is 2:1. Now if the total number of students is 510 then know the number of girls.

If the product of 6 intergers is negative how many of these intergers must be negative

What is 7 9/13 as an improper fraction

A particle's position is given by x = 4.0t^2 - 32t + 36, with x in meters and time t in seconds. At what position does the particle come to a momentary stop, to reverse its motion?

Is 9.78 a rational or irrational number

There are 24 members on a swim team. how many different combinations of 5 swimmers can be chosen to sit in the front row for a team photo?

A woman has 19 coins in her pocket, all of which are dimes and quarters. If the total value of the coins is $ 3.55, how many dimes and how many quarters does she have? Your answer is: Number of dimes equals Number of quarters equals

Amanda and her four sisters divided 1,021 stickers equally how many did each girl receive

2. The usual toll charge over the bridge is $1.50. If you purchase a special sticker for $10.50, the charge is only $0.80. At least how many trips over the bridge are needed before the sticker would cost less than the toll charge?

Numbers like 10 100 thousand and so on are called what

Jack deposited a check into his account for $429.14. Then, he withdrew $429.14 in cash in the same transaction. What is the net amount of Jack's transaction?