Solve the problem. If the answer is an amount of money, round to the nearest dollar. A chemical solution contains 3% salt. How much salt is in 4.5 ml of solution?

0.03 * 4.5 = 0.135 ml

math

To solve this problem, we first need to find out how much salt is in 1 ml of the solution.

Since the solution contains 3% salt, this means that in every 100 ml of solution, there are 3 ml of salt.

To find out how much salt is in 1 ml, we will divide 3 ml by 100, which gives us 0.03 ml of salt per 1 ml of solution.

Now, we can calculate how much salt is in 4.5 ml of solution. To do this, we simply multiply the amount of salt per 1 ml (0.03 ml) by the volume of the solution (4.5 ml).

0.03 ml/ml * 4.5 ml = 0.135 ml of salt.

Since we need to round the answer to the nearest dollar because it represents money, we will round 0.135 to the nearest whole number.

0.135 rounded to the nearest whole number is 0, so there is 0 salt in 4.5 ml of the solution.