Question

Q1:) after an increase of 5% , sheryl's monthly saraly becomes $2205. find her original monthly salary.

Q2)In a triathlon, an athlete swims 750 m in 15 minutes, cycles at an average speed of 40 km/h for 30 minutes and runs 5 km at an average speed of 3m/s. Find his average speed for the entire competition, giving your answer in km/hr.
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Answer 1

Answer:

Let her original monthly salary be x.

then, Increase salary = 105% of x

Rs2205 = 105% of x

Rs2205 = 105/100 of x

Rs2205 × 100/105= x

Rs2100 = x

Hence, her monthly salary is Rs 2100

Step-by-step explanation:

I cannot answer your second question.