47 points for correct

sam's class is trying to raise money for their class field trip to the local water park. the boys are selling hamburgers and chips for $4 each and the girls are selling hot dogs and chips for $2 each. the boys plan to sell 100 hot dogs. they must raise more than $800.

there are 2 correct answers. i just need it to be solved step-by-step.
correct answers
1200 > 800 and 2000 >
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Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d

Which table shows a proportional relationship between miles traveled and gas used?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?