Mitchell swims several times per week in a lake near his home. Last summer, the average water temperature was 20 degrees Celsius
. This summer, the average water temperature was 21 degrees Celsius. What was the percent of increase in the temperature?
1 answer:
Answer:
5% increase
Step-by-step explanation:
last Summer was 20° , this Summer is 21° so is 1° more so the question is what is the increase 1° of 20
20° is to 100% as
1° is to ?%
cross multiply
?% *20 =1*100
divide by 20 both sides
?%= 100/20 = 5
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