# math

posted by .

Bobby has 3 times as many model spaceships as his friend
Sylvester does. Bobby has 21 spaceships. How many model
spaceships does Sylvester have ?

• math -

21/3 = 7

## Similar Questions

1. ### phys

The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the …
2. ### 4th grade

Bobby has only pennies, dimes, and quarters. One half of Bobby's coins are pennies. One fourth of his coins are quarters. Three of his coins are dimes. How many coins does Bobby have?
3. ### English

If I have to draw a line between the complete subject and the complete predicate. would this be correct?
4. ### math

Bobby has only pennies, dimes, and quarters. One half of Bobby's coins are pennies. One fourth of coins are quarters. Three of his coins are dimes. How many coins does Bobby have?
5. ### algebra

math: bobby has \$14 more than tina while seda has twice as much money as bobby. together they have \$208. how much money does each have?
6. ### MAth - Percents

Bobby makes a commission on each stereo that he sell; this commission is equal to 40% of the final(sale) price of the stereo. Today, all the stereos in Bobby's store are on sale for 10% off the listed price. During this sale, what …
7. ### Math

Bobby swims 3 laps every day during the summer. It takes him 15 seconds to swim from the ladder to the swimming lane, and he swims for a total of 135 seconds. The expression below can be used to find s, the number of seconds it takes …
8. ### math

Alice has 1/5 as many cars as Sylvester has. Sylvester has 35 cars. How many cars does Alice have?
9. ### Algebra (Percentages)

Annie loves giving away puppies. When her friend Bobby walks by, she instantly gives him 50% of her puppy stash. Bobby, stunned with this shower of puppies, gives back 20% of his total. Annie counters by giving Bobby 50% of her new …
10. ### Math

Mrs. Roberts plans to purchase a microscope for a present as a Christmas gift. The A model magnifies to a maximum of 5 x10 2 power , while the b model magnifies to a maximum of 3x10 3 power times. Which of the following statements …

More Similar Questions