Answer:
Step-by-step explanation:
4x - 5y x=4 , y=10
= (4*4) - (5*10)
= -34
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Caitlin = 20 laps
Hannah = 4/5 as many laps
Multiply the laps swan by Caitlin (20) by 4/5
20 x 4/5 = 80/5 = 16
Hannah swam 16 laps
