Question

The temperature in Doha, Qatar on 1 June is 40°C. Over

the next two days this temperature increases by 10%
followed by a decrease of 10%. Find the temperature in
Doha on 3 June.

Answer 1

39.6°C

Explanation:

10% of 40°C is 40 × 10/100

=4

temp on 2 June = 40+4 = 44°C

now 10% of 44°C is 44 × 10/100

=4.4

temp on 3 June = 44 - 4.4 = 39.6°C