The current in a stream moves at a speed of 9 km divided by h km/h. A boat travels 28 km upstream and 28 km downstream in a total time of 20 hr. What is the speed of the boat in...

The current in a stream moves at a speed of 9 km divided by h km/h. A boat travels 28 km upstream and 28 km downstream in a total time of 20 hr. What is the speed of the boat in...

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Find the area of a square with a side length of (b^2c^8)/(3f^5) inches.

36 inch stick broken into 2 pieces if one piece is 8 inches longer than the other how long is the other piece

300 tickets to a concert were sold. Of these, 35 were at a 20% discount. The total sales came to $512.75. What was the undiscounted price of a ticket?

can she put 5 books on each shelf?

A certain card game is played with only the jacks, queen, kings,aces in a deck. If you draw an ace, you win 6 dollars. if you draw and other card you lose 2 dollars. in how many ways can you draw...

the area of desert a is six times of desert b. if the sum of their area is 2 100 000 square miles find the area of each desert

Translate into an equation. The sum of two numbers is ten. The total of three times the smaller and twice the larger is twenty-two. Find the two numbers. Step 1 Use the variable x...

To encourage better eating habits, a school removed soft drink machines and offered only a mixed berry fruit drink in the cafeteria. Three different chefs made recipes for the new...

Together, Tom and Max have 72 football cards. Tom has 2 more than 4 times as many cards as Max has. How many football cards does Tom have?

CalJuice Company has decided to introduce three fruit juices made from blending two or more concentrates. These juices will be packaged in 2-qt (64-oz) cartons. One carton of pineapple-orange juice...

Each block is square and has a length of 15.7 inches

Manuel bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 less than the desktop. He paid for the computers using two different financing plans. For the desktop...

Susanne checks the temperature at 10:00 p.m. She notices that, if the temperature falls by 3 more degrees, it will break the record low temperature for that day, which is 26 degrees.

In 1997, lowe's had 427 stores nationwide. By 1999, this total had grown to 520. If the number of stores continues to grown exponentially at this rate, how many stores will there be in 2017? ...

Kevin and Randy Muise have a jar containing 77 coins,all of which are either quarters or nickels. The total value of the coins in the jar is ?$10.25. How many of each type of coin do they? have?...

it takes cups of flour to bake 2 dozen cupcakes. how many cups of flour are needed to bake 15 dozen.

it takes cups of flour to bake 2 dozen cupcakes. how many cups of flour are needed to bake 15 dozen. I'm pretty sure its 8.5, but I'm not sure.

A tank that was filled with 80 liters of water is leaking, losing 3 liters of water a day. Another tank that was filled with 60 liters of water on the same day is also leaking, losing 1 liter of water...

Devaughn is 7 years older than Sydney. The sum of their ages is 47 . What is Sydney's age?