# math

posted by .

Bob and Jim had a total of 90 marbles. Bob had half a dozen more than Jim. How many marbles did Jim have?

• math -

Jim = J

J + J + 6 = 90

2J = 84

J = 42

## Similar Questions

1. ### math

there are 40 marbles in a jar. Chris had 2/5 of the marbles, Sal had 1/8, Tim had 1/10, and Bob, John and Don split whatever was left over evenly. How many marbles did Bob, John and Don split ?
2. ### Math

Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus 2. Then he met Alex and gave him 1/4 of his remaining marbles plus 5. Just before arriving at the tournament, …

Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus 2. Then he met Alex and gave him 1/4 of this remaining marbles plus 5. Just before arriving at the …
4. ### Math

Jim has a total of 77 red and blue marbles. The number of blue marbles is 5 more than twice the number of red marbles. How many red marbles are there?
5. ### math

bob and jim had a total of 90 marbles. bob had half a dozen more than jim. how many marbles did jim have.
6. ### MATH

Jim had 92 more marbles than Sam. After Sam gave Jim 18 marbles, Jim had twice as many marbles as Sam. How many marbles did Jim have at first?
7. ### Physics

Bob starts spinning his hammer at a rate of 2.00 rad/s^2. At the same time, he starts running towards Jim at 4.00 m/s^2. The distance from the end of the hammer to Bob's elbow is 1.20 m. If Bob takes 3 seconds before he launches the …