Question

All together, 3 people have 120 coins. Mark has 3 times as many as Joel, and Joel has 1/2 as many as Sandra. How many coins does Sandra have?

Answer 1

Let the coins with Sandra be x
Then Joel has x/2 coins and mark has
3x/2 coins.

There total is 120 coins
therefore ,
3x/2 + x/2 + x = 120
4x/2 + x = 120
2x + x = 120
3x = 120
x = 40

Therefore sandra has 40 coins

Answer 2

Answer:

The correct answer to this question is x = 40

Step-by-step explanation:

Given - All together, 3 people have 120 coins. Mark has 3 times as many as Joel, and Joel has 1/2 as many as Sandra.

To Find -  How many coins does Sandra have?

Sandra's coins are x, Joel has x/2 coins, and Mark has 3x/2 coins.

There total is 120 coins

therefore ,

3x/2 + x/2 + x = 120

4x/2 + x = 120

2x + x = 120

3x = 120

x = 40

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