Question

The World Health Organization (WHO) suggests having 23 health-care workers for every 10,000 people. How many health-care workers are needed to meet the suggestion of 250,000 people? Justify your answer using a graph.

Answer 1

Health care workers be x

• x/23=250000/10000
• x/23=25
• x=23(25)
• x=575

Graph attached

Scale applied 1=0.001

Answer 2

• 575

Explanation:

• 10000 ⇒ 23
• 250000 ⇒ x

Cross-multiply and solve for x:

• x = 250000*23/10000
• x = 575