here is your answer a good question
<span>The inequality equation that can be used to
express Dexter’s earnings would be “50<e>100”. Since he earns no less
than 50, meaning his earnings cannot be below 50, thus the expression would be “more
than (<)”. In addition, he earns not more than 100, meaning his earnings
would not be above 100, thus the best expression would be “less than (>)”.</span>
To solve this we need to use this formula:
450. To find the rate you would do 1800 divided by 4 which is the hours without wind. 1800/4 =450