math help

The dolphins at the Scott Aquarium are fed 1 1/2 buckets of fish each day. The sea otters are fed

4/5 as much fish as the dolphins. How many buckets of fish are the sea otters fed each day?

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The number of buckets of fish the dolphins are fed  =  $1+\frac12$

The sea otters are fed  $\frac45$  as much fish as the dolphins. In other words...

the number of buckets of fish the sea otters are fed  =  $\frac45$ the number of buckets of fish the dolphins are fed

the number of buckets of fish the sea otters are fed  =  $\frac45$ * ($1+\frac12$)

the number of buckets of fish the sea otters are fed  =  $\frac45$ * $(\frac32)$

the number of buckets of fish the sea otters are fed  =  $\frac{12}{10}$

the number of buckets of fish the sea otters are fed  =  $\frac65$