Mathematics, 20.09.2019 01:50 DerikF9478
Marcos works 8 hours a day. he makes $19 an hour. on tuesday, he only worked 3/4 of a day. how much did marcos earn on tuesday?
which answer gives the correct solution and explains how to check if the answer is reasonable?
a. solution: $57. explanation: since marcos only worked 3/4 of the day, he made about 3 × $20 or about $60.
b. solution: $456. explanation: since marcos only worked 3/4 of the day, he earned about 3 × $20 or about $60. since there are 8 hours in the work day, then marcos made about 8 × $60 or about $480.
c. solution: $114. explanation: if marcos worked all day, then he would have made about 8 × $20 or about $160. since marcos only worked 3/4 of the day, or 0.75, he would make about $120 (160 × 0.75).
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