The cost of swimming lesson in winters is $60.
Step-by-step explanation:
Given,
Cost of lessons in summer = $50 per month
Raise in winter = 20%
Amount of raise = 20% of summer's cost
Amount of raise = [tex]\frac{20}{100}*50[/tex]
Amount of raise = [tex]\frac{1000}{100}=\$10[/tex]
Cost of lesson in winter = Cost in summer + Amount of raise
Cost of lesson in winter = 50+10 = $60
The cost of swimming lesson in winters is $60.
Keywords: percentage, addition
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