30% is a way to express the fraction 30/100 = 3/10
So, 30% of 80 is

Answer:
j do ny knosew
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Step-by-step explanation:
in the first half he would have swam 1 km. there are 1000m in a km so 1000/200=5 so he swam the first 200 fly, then a 200 breast, then a 200 fly again, then another 200 breast the finish the first 1 km with a 200 fly. so we switched strokes 4 times.
PS i wouldn't recommend doing a 2 km swim fly and breast