Achemical engineer has tested 56 water samples. these samples make up 25% of the total number of samples that need testing. select from the drop-down menu to correctly identify the total number of water samples that need testing. there are a total of water samples to be tested. a: 1.4 b: 14 c: 168 d: 224

The total number of water samples to be tested are 224 .

Option (D) is correct .

Step-by-step explanation:

Formula

As given

A chemical engineer has tested 56 water samples.

These samples make up 25% of the total number of samples that need testing.

Part value = 56

Percentage = 25%

Put all the values in the formula

Total value = 224

Therefore total number of water samples to be tested are 224 .

Option (D) is correct .

$15 each

step-by-step explanation:

$45/3 children= $15 each