Question

A pharmacist mixes 10 grams of a 15% medicine solution with 25 grams of a 10% medicine solution.

How many grams of medicine does the mixture contain?

Answer 1

Answer:

4

Alternative forms:

$2^{2}$

Step-by-step explanation:

Based on the given conditions, formulate:

10% × $25+10$ × 15%

Calculate:

0.1 × $25+10$ × 0.15

Calculate the product or quotient:

$2.5+10$ × $0.15$

Calculate the product or quotient:

$2.5+1.5$

Calculate the sum or difference:

4