The following table gives the number of patients visiting a dental clinic for the issues related to their oral health during the months September, October, November and December 2018. Study the table carefully and answer the question that follows.
Month (2018) Filling Root canal Tooth extraction Implants
September 180 480 570 260
October 560 770 620 470
November 940 1080 890 220
December 820 590 530 1040
What is the ratio of the total number of patients in September to the total number of patients in December in 2018?
- A1:2
- B4:3
- C2:1
- D3:4
Solution & Step-by-step Explanation
Total patients in September 2018:
Total
Sept
=180+480+570+260=1490
Total patients in December 2018:
Total
Dec
=820+590+530+1040=2980
Ratio of September to December patients:
Ratio=
2980
1490
=
2
1
=1:2
Total
Sept
=180+480+570+260=1490
Total patients in December 2018:
Total
Dec
=820+590+530+1040=2980
Ratio of September to December patients:
Ratio=
2980
1490
=
2
1
=1:2