In an examination every student took history or geography or both of 500 candidates 60% took history whiles 72% took geography.

Question

3 years ago

13

How many students took both subjects

2 answers:

almond37 [142] · Answer 1 · 2022-05-22T15:57:18+03:00

6 0

Answer:

80 students

Step-by-step explanation:

NeTakaya · Answer 2 · 2022-05-22T17:31:14+03:00

NeTakaya3 years ago

3 0

Answer:

80

Step-by-step explanation:

60% of 500 = 300

72% of 500 = 360

40% of 500 = 200

28% of 500 = 140

300+360 = 660

660 - 2x = 500

660 - 500 = 2x

160 = 2x

2x = 160

x = 80