What is the solution to this equation : 1/21x = 1/7

x = 3

x = 14

x = 28

x = 147

Order each set of fractions as indicated: 1/9, 1/20, 1/25, 1/2, 1/50

Marlins car can travel 24.7 miles on each gallon of gasoline. Marlon has 16.5 gallons of gasoline in the car ms tank How far can Marlon drive?

3 - (5 - x) = 3 - 4x

What is 3.47 x 10^-6 times 4.61 x 10^7 equals? And what is 3.47 x 10^-6 over 4.61 x 10^7 in scientific notation. Also what is 5.52 x 10^7 over 3.47 x 10^-6?

What is n/-2 = - 15?

Whats the answer to + 4 + (-4)

On a certain day, $1 is worh 30.23 Russian rubles. Omar has $75. How many rubles will he get in exchange?

Proper inverse operation 14 + 17 = 31

A company ls selecing students for interviews at the career tair. The number of students selected trom university A is gNen by t) x+&where x represents the number of days of the tair.

Suppose you are an avid reader and are looking to save money on the cost of books Instead of paying about $20 for each book, you decide to look into purchasing a Kindle for $120 You can purchase e-books for about $5 each 1.