Liz works as a lifeguard at her community pool and at the beach on Saturday she worked at the pool for 6 hours and earned $46.50 on Sunday she worked at the beach for 5 hours and earn $46.25 how much more per hour did Liz Hernandez the beach then at the pool

1.50

Step-by-step explanation:

You want to find how much more per hour Liz earned at the beach.

First, find the unit rate for each lifeguarding job.

At the pool, Liz earned $46.50 for 6 hours of lifeguarding.

$46.50÷6

6hours÷6

=

$7.75

1hour

At the beach, Liz earned $46.25 for 5 hours of lifeguarding.

$46.25÷5

5hours÷5

=

$9.25

1hour

Then, subtract the unit rates.

$9.25–$7.75=$1.50

Liz made $1.50 more per hour at the beach than she did at the pool.

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step-by-step explanation:

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m∠a is 90°

m∠b is 40°