Using the guess and check technique, find two numbers that satisfy both conditions. The sum of the two numbers is 56. The second number is seven less than two times the first number. What is the value of the first number, x?

A. 19

B. 21

C. 31

D. 35

1/2 pound : 5 days find the unit rate

What is 383 divided by 31

a shoe store that sells only boots and sandals had 20% more pairs of boots than sandals in its inventory. After recieving a shipment of 20 more pairs of sandals, the store had a total of 306 pairs of shoes. How many pairs of boots did the store have

High School · Mathematics · 5+3 pts · The Apache Taxi Company charges $2.50 to pick up a passenger and then adds $1.95 per mile. Isaac was charged $27.46 to go from one city to another.

Renting a movie from a redbox costs $1.29 each night, plus a one-time fee of $o. 50. how much would it cost to rent a movie for 3 night? how much does it cost for 10 nights?

A train traveling at 30 miles per hour reaches a tunnel which is 9 times as long as the train. If the train takes 2 minutes to completely clear the tunnel, how long is the train in miles? (1 mile = 5,280 feet)

The cost for 7 dance lessons is $82. the cost for 11 is $122. write a linear equations to find the total cost C for L dance lessons. How much for 4 lessons?

What is 9.09 repeating as a fraction?

The number of gallons of water in a tank that already has 300 gallons in it after being filled at 35 gallons per minute for m minutes

The Tennis Teams of Atlanta need to older tennis balla for the upcoming tournament. They will need 2,367 tennis balls. If each can hold 5 tennis balls, how Many will they purchase